Home / 674,557.29-930,947.99-372,809.61

Finding the Fourth Proportional to 674,557.29, 930,947.99 and 372,809.61

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Solution

The fourth proportional to 674,557.29, 930,947.99 and 372,809.61 is: 514,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,557.29 : 930,947.99 = 372,809.61 : x
  2. Step 2: Convert to fraction form
    674,557.29/930,947.99 = 372,809.61/x
  3. Step 3: Cross multiply
    674,557.29x = 930,947.99 × 372,809.61
  4. Step 4: Simplify right side
    674,557.29x = 347,066,355,218.14
  5. Step 5: Solve for x
    x = 347,066,355,218.14/674,557.29
  6. Step 6: Final answer
    x = 514,509.83

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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.