Home / 944,128.32-1,416,191.14-438,412.76

Finding the Fourth Proportional to 944,128.32, 1,416,191.14 and 438,412.76

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Solution

The fourth proportional to 944,128.32, 1,416,191.14 and 438,412.76 is: 657,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,128.32 : 1,416,191.14 = 438,412.76 : x
  2. Step 2: Convert to fraction form
    944,128.32/1,416,191.14 = 438,412.76/x
  3. Step 3: Cross multiply
    944,128.32x = 1,416,191.14 × 438,412.76
  4. Step 4: Simplify right side
    944,128.32x = 620,876,266,374.95
  5. Step 5: Solve for x
    x = 620,876,266,374.95/944,128.32
  6. Step 6: Final answer
    x = 657,618.52

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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.