Home / 526,172.46-726,139.13-293,619.74

Finding the Fourth Proportional to 526,172.46, 726,139.13 and 293,619.74

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Solution

The fourth proportional to 526,172.46, 726,139.13 and 293,619.74 is: 405,207.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,172.46 : 726,139.13 = 293,619.74 : x
  2. Step 2: Convert to fraction form
    526,172.46/726,139.13 = 293,619.74/x
  3. Step 3: Cross multiply
    526,172.46x = 726,139.13 × 293,619.74
  4. Step 4: Simplify right side
    526,172.46x = 213,208,779,107.24
  5. Step 5: Solve for x
    x = 213,208,779,107.24/526,172.46
  6. Step 6: Final answer
    x = 405,207.03

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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.