Home / 846,172.10-1,167,820.98-483,512.78

Finding the Fourth Proportional to 846,172.10, 1,167,820.98 and 483,512.78

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Solution

The fourth proportional to 846,172.10, 1,167,820.98 and 483,512.78 is: 667,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,172.10 : 1,167,820.98 = 483,512.78 : x
  2. Step 2: Convert to fraction form
    846,172.10/1,167,820.98 = 483,512.78/x
  3. Step 3: Cross multiply
    846,172.10x = 1,167,820.98 × 483,512.78
  4. Step 4: Simplify right side
    846,172.10x = 564,656,368,582.12
  5. Step 5: Solve for x
    x = 564,656,368,582.12/846,172.10
  6. Step 6: Final answer
    x = 667,306.77

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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.