Home / 1,523,416.80-2,285,125.20-386,176.80

Finding the Fourth Proportional to 1,523,416.80, 2,285,125.20 and 386,176.80

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Solution

The fourth proportional to 1,523,416.80, 2,285,125.20 and 386,176.80 is: 579,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,416.80 : 2,285,125.20 = 386,176.80 : x
  2. Step 2: Convert to fraction form
    1,523,416.80/2,285,125.20 = 386,176.80/x
  3. Step 3: Cross multiply
    1,523,416.80x = 2,285,125.20 × 386,176.80
  4. Step 4: Simplify right side
    1,523,416.80x = 882,462,337,335.36
  5. Step 5: Solve for x
    x = 882,462,337,335.36/1,523,416.80
  6. Step 6: Final answer
    x = 579,265.20

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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.