Home / 456,581.40-684,872.10-207,263.40

Finding the Fourth Proportional to 456,581.40, 684,872.10 and 207,263.40

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Solution

The fourth proportional to 456,581.40, 684,872.10 and 207,263.40 is: 310,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,581.40 : 684,872.10 = 207,263.40 : x
  2. Step 2: Convert to fraction form
    456,581.40/684,872.10 = 207,263.40/x
  3. Step 3: Cross multiply
    456,581.40x = 684,872.10 × 207,263.40
  4. Step 4: Simplify right side
    456,581.40x = 141,948,920,011.14
  5. Step 5: Solve for x
    x = 141,948,920,011.14/456,581.40
  6. Step 6: Final answer
    x = 310,895.10

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Similar ratio
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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.