Home / 731,384.25-1,009,395.51-425,473.53

Finding the Fourth Proportional to 731,384.25, 1,009,395.51 and 425,473.53

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Solution

The fourth proportional to 731,384.25, 1,009,395.51 and 425,473.53 is: 587,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,384.25 : 1,009,395.51 = 425,473.53 : x
  2. Step 2: Convert to fraction form
    731,384.25/1,009,395.51 = 425,473.53/x
  3. Step 3: Cross multiply
    731,384.25x = 1,009,395.51 × 425,473.53
  4. Step 4: Simplify right side
    731,384.25x = 429,471,069,015.02
  5. Step 5: Solve for x
    x = 429,471,069,015.02/731,384.25
  6. Step 6: Final answer
    x = 587,203.06

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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.