Home / 886,382.12-1,223,072.32-499,177.17

Finding the Fourth Proportional to 886,382.12, 1,223,072.32 and 499,177.17

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Solution

The fourth proportional to 886,382.12, 1,223,072.32 and 499,177.17 is: 688,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,382.12 : 1,223,072.32 = 499,177.17 : x
  2. Step 2: Convert to fraction form
    886,382.12/1,223,072.32 = 499,177.17/x
  3. Step 3: Cross multiply
    886,382.12x = 1,223,072.32 × 499,177.17
  4. Step 4: Simplify right side
    886,382.12x = 610,529,779,402.94
  5. Step 5: Solve for x
    x = 610,529,779,402.94/886,382.12
  6. Step 6: Final answer
    x = 688,788.46

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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.