Home / 725,854.77-1,001,666.61-403,557.93

Finding the Fourth Proportional to 725,854.77, 1,001,666.61 and 403,557.93

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Solution

The fourth proportional to 725,854.77, 1,001,666.61 and 403,557.93 is: 556,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,854.77 : 1,001,666.61 = 403,557.93 : x
  2. Step 2: Convert to fraction form
    725,854.77/1,001,666.61 = 403,557.93/x
  3. Step 3: Cross multiply
    725,854.77x = 1,001,666.61 × 403,557.93
  4. Step 4: Simplify right side
    725,854.77x = 404,230,503,681.72
  5. Step 5: Solve for x
    x = 404,230,503,681.72/725,854.77
  6. Step 6: Final answer
    x = 556,902.73

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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.