Home / 829,641.32-1,244,455.02-230,600.72

Finding the Fourth Proportional to 829,641.32, 1,244,455.02 and 230,600.72

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Solution

The fourth proportional to 829,641.32, 1,244,455.02 and 230,600.72 is: 345,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,641.32 : 1,244,455.02 = 230,600.72 : x
  2. Step 2: Convert to fraction form
    829,641.32/1,244,455.02 = 230,600.72/x
  3. Step 3: Cross multiply
    829,641.32x = 1,244,455.02 × 230,600.72
  4. Step 4: Simplify right side
    829,641.32x = 286,972,217,397.34
  5. Step 5: Solve for x
    x = 286,972,217,397.34/829,641.32
  6. Step 6: Final answer
    x = 345,899.14

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.