Home / 731,975.42-1,009,895.82-409,634.30

Finding the Fourth Proportional to 731,975.42, 1,009,895.82 and 409,634.30

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Solution

The fourth proportional to 731,975.42, 1,009,895.82 and 409,634.30 is: 565,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,975.42 : 1,009,895.82 = 409,634.30 : x
  2. Step 2: Convert to fraction form
    731,975.42/1,009,895.82 = 409,634.30/x
  3. Step 3: Cross multiply
    731,975.42x = 1,009,895.82 × 409,634.30
  4. Step 4: Simplify right side
    731,975.42x = 413,687,967,298.63
  5. Step 5: Solve for x
    x = 413,687,967,298.63/731,975.42
  6. Step 6: Final answer
    x = 565,166.47

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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.