Home / 945,972.81-1,305,446.13-516,262.50

Finding the Fourth Proportional to 945,972.81, 1,305,446.13 and 516,262.50

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Solution

The fourth proportional to 945,972.81, 1,305,446.13 and 516,262.50 is: 712,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,972.81 : 1,305,446.13 = 516,262.50 : x
  2. Step 2: Convert to fraction form
    945,972.81/1,305,446.13 = 516,262.50/x
  3. Step 3: Cross multiply
    945,972.81x = 1,305,446.13 × 516,262.50
  4. Step 4: Simplify right side
    945,972.81x = 673,952,882,689.13
  5. Step 5: Solve for x
    x = 673,952,882,689.13/945,972.81
  6. Step 6: Final answer
    x = 712,444.24

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Double scale
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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.