Home / 858,482.52-1,184,761.20-495,921.64

Finding the Fourth Proportional to 858,482.52, 1,184,761.20 and 495,921.64

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Solution

The fourth proportional to 858,482.52, 1,184,761.20 and 495,921.64 is: 684,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,482.52 : 1,184,761.20 = 495,921.64 : x
  2. Step 2: Convert to fraction form
    858,482.52/1,184,761.20 = 495,921.64/x
  3. Step 3: Cross multiply
    858,482.52x = 1,184,761.20 × 495,921.64
  4. Step 4: Simplify right side
    858,482.52x = 587,548,717,312.37
  5. Step 5: Solve for x
    x = 587,548,717,312.37/858,482.52
  6. Step 6: Final answer
    x = 684,403.82

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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.