Home / 1,155,755.16-1,732,188.78-556,605

Finding the Fourth Proportional to 1,155,755.16, 1,732,188.78 and 556,605

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Solution

The fourth proportional to 1,155,755.16, 1,732,188.78 and 556,605 is: 834,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,755.16 : 1,732,188.78 = 556,605 : x
  2. Step 2: Convert to fraction form
    1,155,755.16/1,732,188.78 = 556,605/x
  3. Step 3: Cross multiply
    1,155,755.16x = 1,732,188.78 × 556,605
  4. Step 4: Simplify right side
    1,155,755.16x = 964,144,935,891.90
  5. Step 5: Solve for x
    x = 964,144,935,891.90/1,155,755.16
  6. Step 6: Final answer
    x = 834,212.10

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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.