Home / 731,574.59-1,009,612.15-409,265.46

Finding the Fourth Proportional to 731,574.59, 1,009,612.15 and 409,265.46

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Solution

The fourth proportional to 731,574.59, 1,009,612.15 and 409,265.46 is: 564,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,574.59 : 1,009,612.15 = 409,265.46 : x
  2. Step 2: Convert to fraction form
    731,574.59/1,009,612.15 = 409,265.46/x
  3. Step 3: Cross multiply
    731,574.59x = 1,009,612.15 × 409,265.46
  4. Step 4: Simplify right side
    731,574.59x = 413,199,379,968.18
  5. Step 5: Solve for x
    x = 413,199,379,968.18/731,574.59
  6. Step 6: Final answer
    x = 564,808.28

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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.