Home / 935,220.88-1,290,536.60-527,301.68

Finding the Fourth Proportional to 935,220.88, 1,290,536.60 and 527,301.68

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Solution

The fourth proportional to 935,220.88, 1,290,536.60 and 527,301.68 is: 727,637.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,220.88 : 1,290,536.60 = 527,301.68 : x
  2. Step 2: Convert to fraction form
    935,220.88/1,290,536.60 = 527,301.68/x
  3. Step 3: Cross multiply
    935,220.88x = 1,290,536.60 × 527,301.68
  4. Step 4: Simplify right side
    935,220.88x = 680,502,117,281.49
  5. Step 5: Solve for x
    x = 680,502,117,281.49/935,220.88
  6. Step 6: Final answer
    x = 727,637.86

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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.