Home / 858,545.28-1,184,852.16-496,091.52

Finding the Fourth Proportional to 858,545.28, 1,184,852.16 and 496,091.52

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Solution

The fourth proportional to 858,545.28, 1,184,852.16 and 496,091.52 is: 684,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,545.28 : 1,184,852.16 = 496,091.52 : x
  2. Step 2: Convert to fraction form
    858,545.28/1,184,852.16 = 496,091.52/x
  3. Step 3: Cross multiply
    858,545.28x = 1,184,852.16 × 496,091.52
  4. Step 4: Simplify right side
    858,545.28x = 587,795,109,029.68
  5. Step 5: Solve for x
    x = 587,795,109,029.68/858,545.28
  6. Step 6: Final answer
    x = 684,640.78

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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.