Home / 467,931.27-645,745.16-253,071.34

Finding the Fourth Proportional to 467,931.27, 645,745.16 and 253,071.34

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Solution

The fourth proportional to 467,931.27, 645,745.16 and 253,071.34 is: 349,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,931.27 : 645,745.16 = 253,071.34 : x
  2. Step 2: Convert to fraction form
    467,931.27/645,745.16 = 253,071.34/x
  3. Step 3: Cross multiply
    467,931.27x = 645,745.16 × 253,071.34
  4. Step 4: Simplify right side
    467,931.27x = 163,419,592,939.71
  5. Step 5: Solve for x
    x = 163,419,592,939.71/467,931.27
  6. Step 6: Final answer
    x = 349,238.45

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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.