Home / 723,019.62-1,084,681.15-217,617.59

Finding the Fourth Proportional to 723,019.62, 1,084,681.15 and 217,617.59

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Solution

The fourth proportional to 723,019.62, 1,084,681.15 and 217,617.59 is: 326,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,019.62 : 1,084,681.15 = 217,617.59 : x
  2. Step 2: Convert to fraction form
    723,019.62/1,084,681.15 = 217,617.59/x
  3. Step 3: Cross multiply
    723,019.62x = 1,084,681.15 × 217,617.59
  4. Step 4: Simplify right side
    723,019.62x = 236,045,694,459.81
  5. Step 5: Solve for x
    x = 236,045,694,459.81/723,019.62
  6. Step 6: Final answer
    x = 326,472.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.