Home / 858,019.87-1,184,067.57-476,045.74

Finding the Fourth Proportional to 858,019.87, 1,184,067.57 and 476,045.74

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Solution

The fourth proportional to 858,019.87, 1,184,067.57 and 476,045.74 is: 656,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,019.87 : 1,184,067.57 = 476,045.74 : x
  2. Step 2: Convert to fraction form
    858,019.87/1,184,067.57 = 476,045.74/x
  3. Step 3: Cross multiply
    858,019.87x = 1,184,067.57 × 476,045.74
  4. Step 4: Simplify right side
    858,019.87x = 563,670,323,158.15
  5. Step 5: Solve for x
    x = 563,670,323,158.15/858,019.87
  6. Step 6: Final answer
    x = 656,943.20

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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.