Home / 310,747.24-429,072.49-242,646.13

Finding the Fourth Proportional to 310,747.24, 429,072.49 and 242,646.13

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Solution

The fourth proportional to 310,747.24, 429,072.49 and 242,646.13 is: 335,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,747.24 : 429,072.49 = 242,646.13 : x
  2. Step 2: Convert to fraction form
    310,747.24/429,072.49 = 242,646.13/x
  3. Step 3: Cross multiply
    310,747.24x = 429,072.49 × 242,646.13
  4. Step 4: Simplify right side
    310,747.24x = 104,112,780,027.61
  5. Step 5: Solve for x
    x = 104,112,780,027.61/310,747.24
  6. Step 6: Final answer
    x = 335,040.08

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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.