Home / 935,133.48-1,290,458.39-527,231.75

Finding the Fourth Proportional to 935,133.48, 1,290,458.39 and 527,231.75

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Solution

The fourth proportional to 935,133.48, 1,290,458.39 and 527,231.75 is: 727,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,133.48 : 1,290,458.39 = 527,231.75 : x
  2. Step 2: Convert to fraction form
    935,133.48/1,290,458.39 = 527,231.75/x
  3. Step 3: Cross multiply
    935,133.48x = 1,290,458.39 × 527,231.75
  4. Step 4: Simplify right side
    935,133.48x = 680,370,626,173.43
  5. Step 5: Solve for x
    x = 680,370,626,173.43/935,133.48
  6. Step 6: Final answer
    x = 727,565.25

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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.