Home / 914,451.11-1,261,952.63-506,559.21

Finding the Fourth Proportional to 914,451.11, 1,261,952.63 and 506,559.21

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Solution

The fourth proportional to 914,451.11, 1,261,952.63 and 506,559.21 is: 699,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,451.11 : 1,261,952.63 = 506,559.21 : x
  2. Step 2: Convert to fraction form
    914,451.11/1,261,952.63 = 506,559.21/x
  3. Step 3: Cross multiply
    914,451.11x = 1,261,952.63 × 506,559.21
  4. Step 4: Simplify right side
    914,451.11x = 639,253,727,310.22
  5. Step 5: Solve for x
    x = 639,253,727,310.22/914,451.11
  6. Step 6: Final answer
    x = 699,057.30

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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.