Home / 914,450.28-1,261,941.20-506,578.52

Finding the Fourth Proportional to 914,450.28, 1,261,941.20 and 506,578.52

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Solution

The fourth proportional to 914,450.28, 1,261,941.20 and 506,578.52 is: 699,078.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,450.28 : 1,261,941.20 = 506,578.52 : x
  2. Step 2: Convert to fraction form
    914,450.28/1,261,941.20 = 506,578.52/x
  3. Step 3: Cross multiply
    914,450.28x = 1,261,941.20 × 506,578.52
  4. Step 4: Simplify right side
    914,450.28x = 639,272,305,423.02
  5. Step 5: Solve for x
    x = 639,272,305,423.02/914,450.28
  6. Step 6: Final answer
    x = 699,078.25

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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.