Home / 917,677.30-1,266,430.59-627,896.65

Finding the Fourth Proportional to 917,677.30, 1,266,430.59 and 627,896.65

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Solution

The fourth proportional to 917,677.30, 1,266,430.59 and 627,896.65 is: 866,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,677.30 : 1,266,430.59 = 627,896.65 : x
  2. Step 2: Convert to fraction form
    917,677.30/1,266,430.59 = 627,896.65/x
  3. Step 3: Cross multiply
    917,677.30x = 1,266,430.59 × 627,896.65
  4. Step 4: Simplify right side
    917,677.30x = 795,187,524,918.52
  5. Step 5: Solve for x
    x = 795,187,524,918.52/917,677.30
  6. Step 6: Final answer
    x = 866,521.95

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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.