Home / 731,795.50-1,009,732.80-409,443.04

Finding the Fourth Proportional to 731,795.50, 1,009,732.80 and 409,443.04

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Solution

The fourth proportional to 731,795.50, 1,009,732.80 and 409,443.04 is: 564,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,795.50 : 1,009,732.80 = 409,443.04 : x
  2. Step 2: Convert to fraction form
    731,795.50/1,009,732.80 = 409,443.04/x
  3. Step 3: Cross multiply
    731,795.50x = 1,009,732.80 × 409,443.04
  4. Step 4: Simplify right side
    731,795.50x = 413,428,067,219.71
  5. Step 5: Solve for x
    x = 413,428,067,219.71/731,795.50
  6. Step 6: Final answer
    x = 564,950.27

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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.