Home / 467,932.80-645,747.29-253,072.81

Finding the Fourth Proportional to 467,932.80, 645,747.29 and 253,072.81

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Solution

The fourth proportional to 467,932.80, 645,747.29 and 253,072.81 is: 349,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,932.80 : 645,747.29 = 253,072.81 : x
  2. Step 2: Convert to fraction form
    467,932.80/645,747.29 = 253,072.81/x
  3. Step 3: Cross multiply
    467,932.80x = 645,747.29 × 253,072.81
  4. Step 4: Simplify right side
    467,932.80x = 163,421,078,088.70
  5. Step 5: Solve for x
    x = 163,421,078,088.70/467,932.80
  6. Step 6: Final answer
    x = 349,240.49

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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.