Home / 935,776.74-1,291,386.66-527,886.54

Finding the Fourth Proportional to 935,776.74, 1,291,386.66 and 527,886.54

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Solution

The fourth proportional to 935,776.74, 1,291,386.66 and 527,886.54 is: 728,491.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,776.74 : 1,291,386.66 = 527,886.54 : x
  2. Step 2: Convert to fraction form
    935,776.74/1,291,386.66 = 527,886.54/x
  3. Step 3: Cross multiply
    935,776.74x = 1,291,386.66 × 527,886.54
  4. Step 4: Simplify right side
    935,776.74x = 681,705,635,749.56
  5. Step 5: Solve for x
    x = 681,705,635,749.56/935,776.74
  6. Step 6: Final answer
    x = 728,491.75

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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.