Home / 818,358.38-1,227,827.01-286,026.38

Finding the Fourth Proportional to 818,358.38, 1,227,827.01 and 286,026.38

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Solution

The fourth proportional to 818,358.38, 1,227,827.01 and 286,026.38 is: 429,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,358.38 : 1,227,827.01 = 286,026.38 : x
  2. Step 2: Convert to fraction form
    818,358.38/1,227,827.01 = 286,026.38/x
  3. Step 3: Cross multiply
    818,358.38x = 1,227,827.01 × 286,026.38
  4. Step 4: Simplify right side
    818,358.38x = 351,190,914,936.52
  5. Step 5: Solve for x
    x = 351,190,914,936.52/818,358.38
  6. Step 6: Final answer
    x = 429,140.73

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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.