Home / 677,522.28-934,983.90-375,716.28

Finding the Fourth Proportional to 677,522.28, 934,983.90 and 375,716.28

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Solution

The fourth proportional to 677,522.28, 934,983.90 and 375,716.28 is: 518,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,522.28 : 934,983.90 = 375,716.28 : x
  2. Step 2: Convert to fraction form
    677,522.28/934,983.90 = 375,716.28/x
  3. Step 3: Cross multiply
    677,522.28x = 934,983.90 × 375,716.28
  4. Step 4: Simplify right side
    677,522.28x = 351,288,672,767.89
  5. Step 5: Solve for x
    x = 351,288,672,767.89/677,522.28
  6. Step 6: Final answer
    x = 518,490.22

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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.