Home / 613,914.04-847,240.32-372,219.76

Finding the Fourth Proportional to 613,914.04, 847,240.32 and 372,219.76

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Solution

The fourth proportional to 613,914.04, 847,240.32 and 372,219.76 is: 513,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,914.04 : 847,240.32 = 372,219.76 : x
  2. Step 2: Convert to fraction form
    613,914.04/847,240.32 = 372,219.76/x
  3. Step 3: Cross multiply
    613,914.04x = 847,240.32 × 372,219.76
  4. Step 4: Simplify right side
    613,914.04x = 315,359,588,572.72
  5. Step 5: Solve for x
    x = 315,359,588,572.72/613,914.04
  6. Step 6: Final answer
    x = 513,686.88

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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.