Home / 744,218.10-1,116,327.15-445,619.70

Finding the Fourth Proportional to 744,218.10, 1,116,327.15 and 445,619.70

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Solution

The fourth proportional to 744,218.10, 1,116,327.15 and 445,619.70 is: 668,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,218.10 : 1,116,327.15 = 445,619.70 : x
  2. Step 2: Convert to fraction form
    744,218.10/1,116,327.15 = 445,619.70/x
  3. Step 3: Cross multiply
    744,218.10x = 1,116,327.15 × 445,619.70
  4. Step 4: Simplify right side
    744,218.10x = 497,457,369,684.86
  5. Step 5: Solve for x
    x = 497,457,369,684.86/744,218.10
  6. Step 6: Final answer
    x = 668,429.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.