Home / 1,459,866.60-2,189,799.90-513,114.30

Finding the Fourth Proportional to 1,459,866.60, 2,189,799.90 and 513,114.30

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Solution

The fourth proportional to 1,459,866.60, 2,189,799.90 and 513,114.30 is: 769,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,866.60 : 2,189,799.90 = 513,114.30 : x
  2. Step 2: Convert to fraction form
    1,459,866.60/2,189,799.90 = 513,114.30/x
  3. Step 3: Cross multiply
    1,459,866.60x = 2,189,799.90 × 513,114.30
  4. Step 4: Simplify right side
    1,459,866.60x = 1,123,617,642,828.57
  5. Step 5: Solve for x
    x = 1,123,617,642,828.57/1,459,866.60
  6. Step 6: Final answer
    x = 769,671.45

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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.