Home / 880,850.24-1,215,589.28-498,956.32

Finding the Fourth Proportional to 880,850.24, 1,215,589.28 and 498,956.32

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Solution

The fourth proportional to 880,850.24, 1,215,589.28 and 498,956.32 is: 688,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,850.24 : 1,215,589.28 = 498,956.32 : x
  2. Step 2: Convert to fraction form
    880,850.24/1,215,589.28 = 498,956.32/x
  3. Step 3: Cross multiply
    880,850.24x = 1,215,589.28 × 498,956.32
  4. Step 4: Simplify right side
    880,850.24x = 606,525,953,780.25
  5. Step 5: Solve for x
    x = 606,525,953,780.25/880,850.24
  6. Step 6: Final answer
    x = 688,568.76

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Double scale
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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.