Home / 976,377.31-1,347,456.21-546,653.68

Finding the Fourth Proportional to 976,377.31, 1,347,456.21 and 546,653.68

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Solution

The fourth proportional to 976,377.31, 1,347,456.21 and 546,653.68 is: 754,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,377.31 : 1,347,456.21 = 546,653.68 : x
  2. Step 2: Convert to fraction form
    976,377.31/1,347,456.21 = 546,653.68/x
  3. Step 3: Cross multiply
    976,377.31x = 1,347,456.21 × 546,653.68
  4. Step 4: Simplify right side
    976,377.31x = 736,591,895,835.35
  5. Step 5: Solve for x
    x = 736,591,895,835.35/976,377.31
  6. Step 6: Final answer
    x = 754,413.16

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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.