Home / 1,353,007.60-2,029,511.40-406,255.30

Finding the Fourth Proportional to 1,353,007.60, 2,029,511.40 and 406,255.30

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Solution

The fourth proportional to 1,353,007.60, 2,029,511.40 and 406,255.30 is: 609,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,007.60 : 2,029,511.40 = 406,255.30 : x
  2. Step 2: Convert to fraction form
    1,353,007.60/2,029,511.40 = 406,255.30/x
  3. Step 3: Cross multiply
    1,353,007.60x = 2,029,511.40 × 406,255.30
  4. Step 4: Simplify right side
    1,353,007.60x = 824,499,762,660.42
  5. Step 5: Solve for x
    x = 824,499,762,660.42/1,353,007.60
  6. Step 6: Final answer
    x = 609,382.95

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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.