Home / 757,054.96-1,044,472.01-485,272.71

Finding the Fourth Proportional to 757,054.96, 1,044,472.01 and 485,272.71

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Solution

The fourth proportional to 757,054.96, 1,044,472.01 and 485,272.71 is: 669,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,054.96 : 1,044,472.01 = 485,272.71 : x
  2. Step 2: Convert to fraction form
    757,054.96/1,044,472.01 = 485,272.71/x
  3. Step 3: Cross multiply
    757,054.96x = 1,044,472.01 × 485,272.71
  4. Step 4: Simplify right side
    757,054.96x = 506,853,760,385.48
  5. Step 5: Solve for x
    x = 506,853,760,385.48/757,054.96
  6. Step 6: Final answer
    x = 669,507.22

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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.