Home / 783,475.13-1,175,213.08-517,173.40

Finding the Fourth Proportional to 783,475.13, 1,175,213.08 and 517,173.40

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Solution

The fourth proportional to 783,475.13, 1,175,213.08 and 517,173.40 is: 775,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,475.13 : 1,175,213.08 = 517,173.40 : x
  2. Step 2: Convert to fraction form
    783,475.13/1,175,213.08 = 517,173.40/x
  3. Step 3: Cross multiply
    783,475.13x = 1,175,213.08 × 517,173.40
  4. Step 4: Simplify right side
    783,475.13x = 607,788,944,308.07
  5. Step 5: Solve for x
    x = 607,788,944,308.07/783,475.13
  6. Step 6: Final answer
    x = 775,760.36

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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.