Home / 1,182,778.71-1,774,167.87-284,220.44

Finding the Fourth Proportional to 1,182,778.71, 1,774,167.87 and 284,220.44

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Solution

The fourth proportional to 1,182,778.71, 1,774,167.87 and 284,220.44 is: 426,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,778.71 : 1,774,167.87 = 284,220.44 : x
  2. Step 2: Convert to fraction form
    1,182,778.71/1,774,167.87 = 284,220.44/x
  3. Step 3: Cross multiply
    1,182,778.71x = 1,774,167.87 × 284,220.44
  4. Step 4: Simplify right side
    1,182,778.71x = 504,254,781,473.07
  5. Step 5: Solve for x
    x = 504,254,781,473.07/1,182,778.71
  6. Step 6: Final answer
    x = 426,330.62

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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.