Home / 787,064.60-1,181,909.10-522,000.20

Finding the Fourth Proportional to 787,064.60, 1,181,909.10 and 522,000.20

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Solution

The fourth proportional to 787,064.60, 1,181,909.10 and 522,000.20 is: 783,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,064.60 : 1,181,909.10 = 522,000.20 : x
  2. Step 2: Convert to fraction form
    787,064.60/1,181,909.10 = 522,000.20/x
  3. Step 3: Cross multiply
    787,064.60x = 1,181,909.10 × 522,000.20
  4. Step 4: Simplify right side
    787,064.60x = 616,956,786,581.82
  5. Step 5: Solve for x
    x = 616,956,786,581.82/787,064.60
  6. Step 6: Final answer
    x = 783,870.58

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Double scale
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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.