Home / 309,596.04-464,394.74-84,959.55

Finding the Fourth Proportional to 309,596.04, 464,394.74 and 84,959.55

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Solution

The fourth proportional to 309,596.04, 464,394.74 and 84,959.55 is: 127,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,596.04 : 464,394.74 = 84,959.55 : x
  2. Step 2: Convert to fraction form
    309,596.04/464,394.74 = 84,959.55/x
  3. Step 3: Cross multiply
    309,596.04x = 464,394.74 × 84,959.55
  4. Step 4: Simplify right side
    309,596.04x = 39,454,767,707.97
  5. Step 5: Solve for x
    x = 39,454,767,707.97/309,596.04
  6. Step 6: Final answer
    x = 127,439.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.