Home / 702,920.10-1,054,380.15-514,913.70

Finding the Fourth Proportional to 702,920.10, 1,054,380.15 and 514,913.70

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Solution

The fourth proportional to 702,920.10, 1,054,380.15 and 514,913.70 is: 772,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,920.10 : 1,054,380.15 = 514,913.70 : x
  2. Step 2: Convert to fraction form
    702,920.10/1,054,380.15 = 514,913.70/x
  3. Step 3: Cross multiply
    702,920.10x = 1,054,380.15 × 514,913.70
  4. Step 4: Simplify right side
    702,920.10x = 542,914,784,243.06
  5. Step 5: Solve for x
    x = 542,914,784,243.06/702,920.10
  6. Step 6: Final answer
    x = 772,370.55

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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.