Home / 1,491,065.60-2,236,598.40-369,134.60

Finding the Fourth Proportional to 1,491,065.60, 2,236,598.40 and 369,134.60

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Solution

The fourth proportional to 1,491,065.60, 2,236,598.40 and 369,134.60 is: 553,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,065.60 : 2,236,598.40 = 369,134.60 : x
  2. Step 2: Convert to fraction form
    1,491,065.60/2,236,598.40 = 369,134.60/x
  3. Step 3: Cross multiply
    1,491,065.60x = 2,236,598.40 × 369,134.60
  4. Step 4: Simplify right side
    1,491,065.60x = 825,605,855,744.64
  5. Step 5: Solve for x
    x = 825,605,855,744.64/1,491,065.60
  6. Step 6: Final answer
    x = 553,701.90

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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.