Home / 1,040,205.10-1,560,307.65-441,064.30

Finding the Fourth Proportional to 1,040,205.10, 1,560,307.65 and 441,064.30

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Solution

The fourth proportional to 1,040,205.10, 1,560,307.65 and 441,064.30 is: 661,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,205.10 : 1,560,307.65 = 441,064.30 : x
  2. Step 2: Convert to fraction form
    1,040,205.10/1,560,307.65 = 441,064.30/x
  3. Step 3: Cross multiply
    1,040,205.10x = 1,560,307.65 × 441,064.30
  4. Step 4: Simplify right side
    1,040,205.10x = 688,196,001,431.90
  5. Step 5: Solve for x
    x = 688,196,001,431.90/1,040,205.10
  6. Step 6: Final answer
    x = 661,596.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.