Home / 858,422.96-1,184,680.28-495,862.08

Finding the Fourth Proportional to 858,422.96, 1,184,680.28 and 495,862.08

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Solution

The fourth proportional to 858,422.96, 1,184,680.28 and 495,862.08 is: 684,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,422.96 : 1,184,680.28 = 495,862.08 : x
  2. Step 2: Convert to fraction form
    858,422.96/1,184,680.28 = 495,862.08/x
  3. Step 3: Cross multiply
    858,422.96x = 1,184,680.28 × 495,862.08
  4. Step 4: Simplify right side
    858,422.96x = 587,438,027,775.78
  5. Step 5: Solve for x
    x = 587,438,027,775.78/858,422.96
  6. Step 6: Final answer
    x = 684,322.36

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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.