Home / 976,376.31-1,347,454.83-546,652.68

Finding the Fourth Proportional to 976,376.31, 1,347,454.83 and 546,652.68

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Solution

The fourth proportional to 976,376.31, 1,347,454.83 and 546,652.68 is: 754,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,376.31 : 1,347,454.83 = 546,652.68 : x
  2. Step 2: Convert to fraction form
    976,376.31/1,347,454.83 = 546,652.68/x
  3. Step 3: Cross multiply
    976,376.31x = 1,347,454.83 × 546,652.68
  4. Step 4: Simplify right side
    976,376.31x = 736,589,793,998.45
  5. Step 5: Solve for x
    x = 736,589,793,998.45/976,376.31
  6. Step 6: Final answer
    x = 754,411.78

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1.5x scale

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.