Home / 620,845.13-933,060.14-577,742.76

Finding the Fourth Proportional to 620,845.13, 933,060.14 and 577,742.76

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Solution

The fourth proportional to 620,845.13, 933,060.14 and 577,742.76 is: 868,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,845.13 : 933,060.14 = 577,742.76 : x
  2. Step 2: Convert to fraction form
    620,845.13/933,060.14 = 577,742.76/x
  3. Step 3: Cross multiply
    620,845.13x = 933,060.14 × 577,742.76
  4. Step 4: Simplify right side
    620,845.13x = 539,068,741,973.94
  5. Step 5: Solve for x
    x = 539,068,741,973.94/620,845.13
  6. Step 6: Final answer
    x = 868,282.14

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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.