Home / 908,587.87-1,253,859.54-500,704.34

Finding the Fourth Proportional to 908,587.87, 1,253,859.54 and 500,704.34

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Solution

The fourth proportional to 908,587.87, 1,253,859.54 and 500,704.34 is: 690,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,587.87 : 1,253,859.54 = 500,704.34 : x
  2. Step 2: Convert to fraction form
    908,587.87/1,253,859.54 = 500,704.34/x
  3. Step 3: Cross multiply
    908,587.87x = 1,253,859.54 × 500,704.34
  4. Step 4: Simplify right side
    908,587.87x = 627,812,907,159.11
  5. Step 5: Solve for x
    x = 627,812,907,159.11/908,587.87
  6. Step 6: Final answer
    x = 690,976.55

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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.