Home / 627,640.04-944,875.11-571,838.60

Finding the Fourth Proportional to 627,640.04, 944,875.11 and 571,838.60

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Solution

The fourth proportional to 627,640.04, 944,875.11 and 571,838.60 is: 860,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,640.04 : 944,875.11 = 571,838.60 : x
  2. Step 2: Convert to fraction form
    627,640.04/944,875.11 = 571,838.60/x
  3. Step 3: Cross multiply
    627,640.04x = 944,875.11 × 571,838.60
  4. Step 4: Simplify right side
    627,640.04x = 540,316,060,077.25
  5. Step 5: Solve for x
    x = 540,316,060,077.25/627,640.04
  6. Step 6: Final answer
    x = 860,869.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.