Home / 865,776.71-1,194,769.94-483,803.52

Finding the Fourth Proportional to 865,776.71, 1,194,769.94 and 483,803.52

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Solution

The fourth proportional to 865,776.71, 1,194,769.94 and 483,803.52 is: 667,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,776.71 : 1,194,769.94 = 483,803.52 : x
  2. Step 2: Convert to fraction form
    865,776.71/1,194,769.94 = 483,803.52/x
  3. Step 3: Cross multiply
    865,776.71x = 1,194,769.94 × 483,803.52
  4. Step 4: Simplify right side
    865,776.71x = 578,033,900,143.17
  5. Step 5: Solve for x
    x = 578,033,900,143.17/865,776.71
  6. Step 6: Final answer
    x = 667,647.79

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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.