Home / 928,585.19-1,281,500.93-520,817.83

Finding the Fourth Proportional to 928,585.19, 1,281,500.93 and 520,817.83

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Solution

The fourth proportional to 928,585.19, 1,281,500.93 and 520,817.83 is: 718,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,585.19 : 1,281,500.93 = 520,817.83 : x
  2. Step 2: Convert to fraction form
    928,585.19/1,281,500.93 = 520,817.83/x
  3. Step 3: Cross multiply
    928,585.19x = 1,281,500.93 × 520,817.83
  4. Step 4: Simplify right side
    928,585.19x = 667,428,533,505.58
  5. Step 5: Solve for x
    x = 667,428,533,505.58/928,585.19
  6. Step 6: Final answer
    x = 718,758.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.