Home / 726,367.68-1,088,607.60-406,506.24

Finding the Fourth Proportional to 726,367.68, 1,088,607.60 and 406,506.24

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Solution

The fourth proportional to 726,367.68, 1,088,607.60 and 406,506.24 is: 609,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,367.68 : 1,088,607.60 = 406,506.24 : x
  2. Step 2: Convert to fraction form
    726,367.68/1,088,607.60 = 406,506.24/x
  3. Step 3: Cross multiply
    726,367.68x = 1,088,607.60 × 406,506.24
  4. Step 4: Simplify right side
    726,367.68x = 442,525,782,311.42
  5. Step 5: Solve for x
    x = 442,525,782,311.42/726,367.68
  6. Step 6: Final answer
    x = 609,231.10

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Double scale
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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.