Home / 457,444.41-631,222.02-253,444.38

Finding the Fourth Proportional to 457,444.41, 631,222.02 and 253,444.38

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Solution

The fourth proportional to 457,444.41, 631,222.02 and 253,444.38 is: 349,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,444.41 : 631,222.02 = 253,444.38 : x
  2. Step 2: Convert to fraction form
    457,444.41/631,222.02 = 253,444.38/x
  3. Step 3: Cross multiply
    457,444.41x = 631,222.02 × 253,444.38
  4. Step 4: Simplify right side
    457,444.41x = 159,979,673,501.25
  5. Step 5: Solve for x
    x = 159,979,673,501.25/457,444.41
  6. Step 6: Final answer
    x = 349,724.84

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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.