Home / 935,153.09-1,290,485.40-527,251.38

Finding the Fourth Proportional to 935,153.09, 1,290,485.40 and 527,251.38

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Solution

The fourth proportional to 935,153.09, 1,290,485.40 and 527,251.38 is: 727,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,153.09 : 1,290,485.40 = 527,251.38 : x
  2. Step 2: Convert to fraction form
    935,153.09/1,290,485.40 = 527,251.38/x
  3. Step 3: Cross multiply
    935,153.09x = 1,290,485.40 × 527,251.38
  4. Step 4: Simplify right side
    935,153.09x = 680,410,208,019.85
  5. Step 5: Solve for x
    x = 680,410,208,019.85/935,153.09
  6. Step 6: Final answer
    x = 727,592.33

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Double scale
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1.5x scale

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.