Home / 943,049.12-1,301,437.14-513,357.90

Finding the Fourth Proportional to 943,049.12, 1,301,437.14 and 513,357.90

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Solution

The fourth proportional to 943,049.12, 1,301,437.14 and 513,357.90 is: 708,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,049.12 : 1,301,437.14 = 513,357.90 : x
  2. Step 2: Convert to fraction form
    943,049.12/1,301,437.14 = 513,357.90/x
  3. Step 3: Cross multiply
    943,049.12x = 1,301,437.14 × 513,357.90
  4. Step 4: Simplify right side
    943,049.12x = 668,103,037,172.41
  5. Step 5: Solve for x
    x = 668,103,037,172.41/943,049.12
  6. Step 6: Final answer
    x = 708,449.88

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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.