Home / 471,724.19-650,987.16-256,868.45

Finding the Fourth Proportional to 471,724.19, 650,987.16 and 256,868.45

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Solution

The fourth proportional to 471,724.19, 650,987.16 and 256,868.45 is: 354,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,724.19 : 650,987.16 = 256,868.45 : x
  2. Step 2: Convert to fraction form
    471,724.19/650,987.16 = 256,868.45/x
  3. Step 3: Cross multiply
    471,724.19x = 650,987.16 × 256,868.45
  4. Step 4: Simplify right side
    471,724.19x = 167,218,063,165.97
  5. Step 5: Solve for x
    x = 167,218,063,165.97/471,724.19
  6. Step 6: Final answer
    x = 354,482.70

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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.