Home / 876,329.70-1,314,494.55-498,416.10

Finding the Fourth Proportional to 876,329.70, 1,314,494.55 and 498,416.10

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Solution

The fourth proportional to 876,329.70, 1,314,494.55 and 498,416.10 is: 747,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,329.70 : 1,314,494.55 = 498,416.10 : x
  2. Step 2: Convert to fraction form
    876,329.70/1,314,494.55 = 498,416.10/x
  3. Step 3: Cross multiply
    876,329.70x = 1,314,494.55 × 498,416.10
  4. Step 4: Simplify right side
    876,329.70x = 655,165,247,082.26
  5. Step 5: Solve for x
    x = 655,165,247,082.26/876,329.70
  6. Step 6: Final answer
    x = 747,624.15

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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.