Home / 908,566.74-1,253,804.88-500,706.28

Finding the Fourth Proportional to 908,566.74, 1,253,804.88 and 500,706.28

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Solution

The fourth proportional to 908,566.74, 1,253,804.88 and 500,706.28 is: 690,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,566.74 : 1,253,804.88 = 500,706.28 : x
  2. Step 2: Convert to fraction form
    908,566.74/1,253,804.88 = 500,706.28/x
  3. Step 3: Cross multiply
    908,566.74x = 1,253,804.88 × 500,706.28
  4. Step 4: Simplify right side
    908,566.74x = 627,787,980,755.55
  5. Step 5: Solve for x
    x = 627,787,980,755.55/908,566.74
  6. Step 6: Final answer
    x = 690,965.18

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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.