Home / 731,454.02-1,009,609.45-425,589.49

Finding the Fourth Proportional to 731,454.02, 1,009,609.45 and 425,589.49

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Solution

The fourth proportional to 731,454.02, 1,009,609.45 and 425,589.49 is: 587,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,454.02 : 1,009,609.45 = 425,589.49 : x
  2. Step 2: Convert to fraction form
    731,454.02/1,009,609.45 = 425,589.49/x
  3. Step 3: Cross multiply
    731,454.02x = 1,009,609.45 × 425,589.49
  4. Step 4: Simplify right side
    731,454.02x = 429,679,170,924.68
  5. Step 5: Solve for x
    x = 429,679,170,924.68/731,454.02
  6. Step 6: Final answer
    x = 587,431.55

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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.