Home / 467,984.16-645,818.20-253,124.24

Finding the Fourth Proportional to 467,984.16, 645,818.20 and 253,124.24

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Solution

The fourth proportional to 467,984.16, 645,818.20 and 253,124.24 is: 349,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,984.16 : 645,818.20 = 253,124.24 : x
  2. Step 2: Convert to fraction form
    467,984.16/645,818.20 = 253,124.24/x
  3. Step 3: Cross multiply
    467,984.16x = 645,818.20 × 253,124.24
  4. Step 4: Simplify right side
    467,984.16x = 163,472,241,053.17
  5. Step 5: Solve for x
    x = 163,472,241,053.17/467,984.16
  6. Step 6: Final answer
    x = 349,311.48

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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.