Home / 776,711.13-1,071,644.76-500,952.30

Finding the Fourth Proportional to 776,711.13, 1,071,644.76 and 500,952.30

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Solution

The fourth proportional to 776,711.13, 1,071,644.76 and 500,952.30 is: 691,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,711.13 : 1,071,644.76 = 500,952.30 : x
  2. Step 2: Convert to fraction form
    776,711.13/1,071,644.76 = 500,952.30/x
  3. Step 3: Cross multiply
    776,711.13x = 1,071,644.76 × 500,952.30
  4. Step 4: Simplify right side
    776,711.13x = 536,842,907,304.95
  5. Step 5: Solve for x
    x = 536,842,907,304.95/776,711.13
  6. Step 6: Final answer
    x = 691,174.47

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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.