Home / 865,539.75-1,194,422.85-483,569.40

Finding the Fourth Proportional to 865,539.75, 1,194,422.85 and 483,569.40

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Solution

The fourth proportional to 865,539.75, 1,194,422.85 and 483,569.40 is: 667,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,539.75 : 1,194,422.85 = 483,569.40 : x
  2. Step 2: Convert to fraction form
    865,539.75/1,194,422.85 = 483,569.40/x
  3. Step 3: Cross multiply
    865,539.75x = 1,194,422.85 × 483,569.40
  4. Step 4: Simplify right side
    865,539.75x = 577,586,340,920.79
  5. Step 5: Solve for x
    x = 577,586,340,920.79/865,539.75
  6. Step 6: Final answer
    x = 667,313.48

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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.