Home / 1,180,953.40-1,771,430.10-432,902.20

Finding the Fourth Proportional to 1,180,953.40, 1,771,430.10 and 432,902.20

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Solution

The fourth proportional to 1,180,953.40, 1,771,430.10 and 432,902.20 is: 649,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,953.40 : 1,771,430.10 = 432,902.20 : x
  2. Step 2: Convert to fraction form
    1,180,953.40/1,771,430.10 = 432,902.20/x
  3. Step 3: Cross multiply
    1,180,953.40x = 1,771,430.10 × 432,902.20
  4. Step 4: Simplify right side
    1,180,953.40x = 766,855,987,436.22
  5. Step 5: Solve for x
    x = 766,855,987,436.22/1,180,953.40
  6. Step 6: Final answer
    x = 649,353.30

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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.