Home / 865,366.32-1,194,205.45-483,393.09

Finding the Fourth Proportional to 865,366.32, 1,194,205.45 and 483,393.09

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Solution

The fourth proportional to 865,366.32, 1,194,205.45 and 483,393.09 is: 667,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,366.32 : 1,194,205.45 = 483,393.09 : x
  2. Step 2: Convert to fraction form
    865,366.32/1,194,205.45 = 483,393.09/x
  3. Step 3: Cross multiply
    865,366.32x = 1,194,205.45 × 483,393.09
  4. Step 4: Simplify right side
    865,366.32x = 577,270,662,570.34
  5. Step 5: Solve for x
    x = 577,270,662,570.34/865,366.32
  6. Step 6: Final answer
    x = 667,082.42

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Double scale
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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.