Home / 1,266,877.80-1,900,316.13-508,719

Finding the Fourth Proportional to 1,266,877.80, 1,900,316.13 and 508,719

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Solution

The fourth proportional to 1,266,877.80, 1,900,316.13 and 508,719 is: 763,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,877.80 : 1,900,316.13 = 508,719 : x
  2. Step 2: Convert to fraction form
    1,266,877.80/1,900,316.13 = 508,719/x
  3. Step 3: Cross multiply
    1,266,877.80x = 1,900,316.13 × 508,719
  4. Step 4: Simplify right side
    1,266,877.80x = 966,726,921,337.47
  5. Step 5: Solve for x
    x = 966,726,921,337.47/1,266,877.80
  6. Step 6: Final answer
    x = 763,078.27

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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.