Home / 949,992.71-1,311,142.95-542,111.74

Finding the Fourth Proportional to 949,992.71, 1,311,142.95 and 542,111.74

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Solution

The fourth proportional to 949,992.71, 1,311,142.95 and 542,111.74 is: 748,201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,992.71 : 1,311,142.95 = 542,111.74 : x
  2. Step 2: Convert to fraction form
    949,992.71/1,311,142.95 = 542,111.74/x
  3. Step 3: Cross multiply
    949,992.71x = 1,311,142.95 × 542,111.74
  4. Step 4: Simplify right side
    949,992.71x = 710,785,982,735.38
  5. Step 5: Solve for x
    x = 710,785,982,735.38/949,992.71
  6. Step 6: Final answer
    x = 748,201.52

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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.