Home / 928,168.92-1,280,794.86-514,717.56

Finding the Fourth Proportional to 928,168.92, 1,280,794.86 and 514,717.56

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Solution

The fourth proportional to 928,168.92, 1,280,794.86 and 514,717.56 is: 710,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,168.92 : 1,280,794.86 = 514,717.56 : x
  2. Step 2: Convert to fraction form
    928,168.92/1,280,794.86 = 514,717.56/x
  3. Step 3: Cross multiply
    928,168.92x = 1,280,794.86 × 514,717.56
  4. Step 4: Simplify right side
    928,168.92x = 659,247,605,199.74
  5. Step 5: Solve for x
    x = 659,247,605,199.74/928,168.92
  6. Step 6: Final answer
    x = 710,266.84

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Double scale
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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.