Home / 677,037.12-934,414.20-432,127.68

Finding the Fourth Proportional to 677,037.12, 934,414.20 and 432,127.68

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Solution

The fourth proportional to 677,037.12, 934,414.20 and 432,127.68 is: 596,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,037.12 : 934,414.20 = 432,127.68 : x
  2. Step 2: Convert to fraction form
    677,037.12/934,414.20 = 432,127.68/x
  3. Step 3: Cross multiply
    677,037.12x = 934,414.20 × 432,127.68
  4. Step 4: Simplify right side
    677,037.12x = 403,786,240,405.06
  5. Step 5: Solve for x
    x = 403,786,240,405.06/677,037.12
  6. Step 6: Final answer
    x = 596,401.92

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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.