Home / 856,442.16-1,181,805.66-488,923.92

Finding the Fourth Proportional to 856,442.16, 1,181,805.66 and 488,923.92

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Solution

The fourth proportional to 856,442.16, 1,181,805.66 and 488,923.92 is: 674,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,442.16 : 1,181,805.66 = 488,923.92 : x
  2. Step 2: Convert to fraction form
    856,442.16/1,181,805.66 = 488,923.92/x
  3. Step 3: Cross multiply
    856,442.16x = 1,181,805.66 × 488,923.92
  4. Step 4: Simplify right side
    856,442.16x = 577,813,055,965.39
  5. Step 5: Solve for x
    x = 577,813,055,965.39/856,442.16
  6. Step 6: Final answer
    x = 674,666.76

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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.