Home / 1,559,951.40-2,339,927.10-811,900.20

Finding the Fourth Proportional to 1,559,951.40, 2,339,927.10 and 811,900.20

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Solution

The fourth proportional to 1,559,951.40, 2,339,927.10 and 811,900.20 is: 1,217,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,951.40 : 2,339,927.10 = 811,900.20 : x
  2. Step 2: Convert to fraction form
    1,559,951.40/2,339,927.10 = 811,900.20/x
  3. Step 3: Cross multiply
    1,559,951.40x = 2,339,927.10 × 811,900.20
  4. Step 4: Simplify right side
    1,559,951.40x = 1,899,787,280,475.42
  5. Step 5: Solve for x
    x = 1,899,787,280,475.42/1,559,951.40
  6. Step 6: Final answer
    x = 1,217,850.30

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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.