Home / 910,576.40-1,366,987.80-573,616.40

Finding the Fourth Proportional to 910,576.40, 1,366,987.80 and 573,616.40

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Solution

The fourth proportional to 910,576.40, 1,366,987.80 and 573,616.40 is: 861,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,576.40 : 1,366,987.80 = 573,616.40 : x
  2. Step 2: Convert to fraction form
    910,576.40/1,366,987.80 = 573,616.40/x
  3. Step 3: Cross multiply
    910,576.40x = 1,366,987.80 × 573,616.40
  4. Step 4: Simplify right side
    910,576.40x = 784,126,620,679.92
  5. Step 5: Solve for x
    x = 784,126,620,679.92/910,576.40
  6. Step 6: Final answer
    x = 861,132.16

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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.