Home / 749,260.60-1,123,890.90-662,655.40

Finding the Fourth Proportional to 749,260.60, 1,123,890.90 and 662,655.40

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Solution

The fourth proportional to 749,260.60, 1,123,890.90 and 662,655.40 is: 993,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,260.60 : 1,123,890.90 = 662,655.40 : x
  2. Step 2: Convert to fraction form
    749,260.60/1,123,890.90 = 662,655.40/x
  3. Step 3: Cross multiply
    749,260.60x = 1,123,890.90 × 662,655.40
  4. Step 4: Simplify right side
    749,260.60x = 744,752,373,895.86
  5. Step 5: Solve for x
    x = 744,752,373,895.86/749,260.60
  6. Step 6: Final answer
    x = 993,983.10

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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.