Home / 818,515.24-1,227,656.22-257,535.16

Finding the Fourth Proportional to 818,515.24, 1,227,656.22 and 257,535.16

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Solution

The fourth proportional to 818,515.24, 1,227,656.22 and 257,535.16 is: 386,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,515.24 : 1,227,656.22 = 257,535.16 : x
  2. Step 2: Convert to fraction form
    818,515.24/1,227,656.22 = 257,535.16/x
  3. Step 3: Cross multiply
    818,515.24x = 1,227,656.22 × 257,535.16
  4. Step 4: Simplify right side
    818,515.24x = 316,164,641,042.70
  5. Step 5: Solve for x
    x = 316,164,641,042.70/818,515.24
  6. Step 6: Final answer
    x = 386,266.04

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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.