Home / 897,712.74-1,238,663.07-571,155.36

Finding the Fourth Proportional to 897,712.74, 1,238,663.07 and 571,155.36

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Solution

The fourth proportional to 897,712.74, 1,238,663.07 and 571,155.36 is: 788,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,712.74 : 1,238,663.07 = 571,155.36 : x
  2. Step 2: Convert to fraction form
    897,712.74/1,238,663.07 = 571,155.36/x
  3. Step 3: Cross multiply
    897,712.74x = 1,238,663.07 × 571,155.36
  4. Step 4: Simplify right side
    897,712.74x = 707,469,051,664.56
  5. Step 5: Solve for x
    x = 707,469,051,664.56/897,712.74
  6. Step 6: Final answer
    x = 788,079.55

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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.