Home / 838,147.68-1,156,668.36-456,199.20

Finding the Fourth Proportional to 838,147.68, 1,156,668.36 and 456,199.20

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Solution

The fourth proportional to 838,147.68, 1,156,668.36 and 456,199.20 is: 629,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,147.68 : 1,156,668.36 = 456,199.20 : x
  2. Step 2: Convert to fraction form
    838,147.68/1,156,668.36 = 456,199.20/x
  3. Step 3: Cross multiply
    838,147.68x = 1,156,668.36 × 456,199.20
  4. Step 4: Simplify right side
    838,147.68x = 527,671,180,497.31
  5. Step 5: Solve for x
    x = 527,671,180,497.31/838,147.68
  6. Step 6: Final answer
    x = 629,568.26

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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.