Home / 313,440.39-432,547.74-179,304.39

Finding the Fourth Proportional to 313,440.39, 432,547.74 and 179,304.39

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Solution

The fourth proportional to 313,440.39, 432,547.74 and 179,304.39 is: 247,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,440.39 : 432,547.74 = 179,304.39 : x
  2. Step 2: Convert to fraction form
    313,440.39/432,547.74 = 179,304.39/x
  3. Step 3: Cross multiply
    313,440.39x = 432,547.74 × 179,304.39
  4. Step 4: Simplify right side
    313,440.39x = 77,557,708,666.58
  5. Step 5: Solve for x
    x = 77,557,708,666.58/313,440.39
  6. Step 6: Final answer
    x = 247,440.06

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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.