Home / 677,205.32-934,538.18-371,278.04

Finding the Fourth Proportional to 677,205.32, 934,538.18 and 371,278.04

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Solution

The fourth proportional to 677,205.32, 934,538.18 and 371,278.04 is: 512,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,205.32 : 934,538.18 = 371,278.04 : x
  2. Step 2: Convert to fraction form
    677,205.32/934,538.18 = 371,278.04/x
  3. Step 3: Cross multiply
    677,205.32x = 934,538.18 × 371,278.04
  4. Step 4: Simplify right side
    677,205.32x = 346,973,503,775.57
  5. Step 5: Solve for x
    x = 346,973,503,775.57/677,205.32
  6. Step 6: Final answer
    x = 512,360.87

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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.