Home / 865,812.70-1,194,818.04-483,839.38

Finding the Fourth Proportional to 865,812.70, 1,194,818.04 and 483,839.38

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Solution

The fourth proportional to 865,812.70, 1,194,818.04 and 483,839.38 is: 667,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,812.70 : 1,194,818.04 = 483,839.38 : x
  2. Step 2: Convert to fraction form
    865,812.70/1,194,818.04 = 483,839.38/x
  3. Step 3: Cross multiply
    865,812.70x = 1,194,818.04 × 483,839.38
  4. Step 4: Simplify right side
    865,812.70x = 578,100,019,686.42
  5. Step 5: Solve for x
    x = 578,100,019,686.42/865,812.70
  6. Step 6: Final answer
    x = 667,696.40

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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.