Home / 1,012,419-1,397,167.38-559,739.16

Finding the Fourth Proportional to 1,012,419, 1,397,167.38 and 559,739.16

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Solution

The fourth proportional to 1,012,419, 1,397,167.38 and 559,739.16 is: 772,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,419 : 1,397,167.38 = 559,739.16 : x
  2. Step 2: Convert to fraction form
    1,012,419/1,397,167.38 = 559,739.16/x
  3. Step 3: Cross multiply
    1,012,419x = 1,397,167.38 × 559,739.16
  4. Step 4: Simplify right side
    1,012,419x = 782,049,295,660.60
  5. Step 5: Solve for x
    x = 782,049,295,660.60/1,012,419
  6. Step 6: Final answer
    x = 772,456.16

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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.