Home / 1,078,307.80-1,617,461.70-517,053.40

Finding the Fourth Proportional to 1,078,307.80, 1,617,461.70 and 517,053.40

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Solution

The fourth proportional to 1,078,307.80, 1,617,461.70 and 517,053.40 is: 775,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,307.80 : 1,617,461.70 = 517,053.40 : x
  2. Step 2: Convert to fraction form
    1,078,307.80/1,617,461.70 = 517,053.40/x
  3. Step 3: Cross multiply
    1,078,307.80x = 1,617,461.70 × 517,053.40
  4. Step 4: Simplify right side
    1,078,307.80x = 836,314,071,354.78
  5. Step 5: Solve for x
    x = 836,314,071,354.78/1,078,307.80
  6. Step 6: Final answer
    x = 775,580.10

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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.