Home / 896,005.20-1,344,007.80-398,341.20

Finding the Fourth Proportional to 896,005.20, 1,344,007.80 and 398,341.20

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Solution

The fourth proportional to 896,005.20, 1,344,007.80 and 398,341.20 is: 597,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,005.20 : 1,344,007.80 = 398,341.20 : x
  2. Step 2: Convert to fraction form
    896,005.20/1,344,007.80 = 398,341.20/x
  3. Step 3: Cross multiply
    896,005.20x = 1,344,007.80 × 398,341.20
  4. Step 4: Simplify right side
    896,005.20x = 535,373,679,861.36
  5. Step 5: Solve for x
    x = 535,373,679,861.36/896,005.20
  6. Step 6: Final answer
    x = 597,511.80

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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.