Home / 976,720.15-1,347,809.65-546,901.75

Finding the Fourth Proportional to 976,720.15, 1,347,809.65 and 546,901.75

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Solution

The fourth proportional to 976,720.15, 1,347,809.65 and 546,901.75 is: 754,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,720.15 : 1,347,809.65 = 546,901.75 : x
  2. Step 2: Convert to fraction form
    976,720.15/1,347,809.65 = 546,901.75/x
  3. Step 3: Cross multiply
    976,720.15x = 1,347,809.65 × 546,901.75
  4. Step 4: Simplify right side
    976,720.15x = 737,119,456,251.89
  5. Step 5: Solve for x
    x = 737,119,456,251.89/976,720.15
  6. Step 6: Final answer
    x = 754,688.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.