Home / 865,711.08-1,194,678.81-483,738.21

Finding the Fourth Proportional to 865,711.08, 1,194,678.81 and 483,738.21

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Solution

The fourth proportional to 865,711.08, 1,194,678.81 and 483,738.21 is: 667,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,711.08 : 1,194,678.81 = 483,738.21 : x
  2. Step 2: Convert to fraction form
    865,711.08/1,194,678.81 = 483,738.21/x
  3. Step 3: Cross multiply
    865,711.08x = 1,194,678.81 × 483,738.21
  4. Step 4: Simplify right side
    865,711.08x = 577,911,789,074.33
  5. Step 5: Solve for x
    x = 577,911,789,074.33/865,711.08
  6. Step 6: Final answer
    x = 667,557.34

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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.