Home / 319,066.38-440,290.79-175,826.39

Finding the Fourth Proportional to 319,066.38, 440,290.79 and 175,826.39

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Solution

The fourth proportional to 319,066.38, 440,290.79 and 175,826.39 is: 242,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,066.38 : 440,290.79 = 175,826.39 : x
  2. Step 2: Convert to fraction form
    319,066.38/440,290.79 = 175,826.39/x
  3. Step 3: Cross multiply
    319,066.38x = 440,290.79 × 175,826.39
  4. Step 4: Simplify right side
    319,066.38x = 77,414,737,075.36
  5. Step 5: Solve for x
    x = 77,414,737,075.36/319,066.38
  6. Step 6: Final answer
    x = 242,628.94

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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.