Home / 865,800.28-1,194,802.32-483,827.04

Finding the Fourth Proportional to 865,800.28, 1,194,802.32 and 483,827.04

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Solution

The fourth proportional to 865,800.28, 1,194,802.32 and 483,827.04 is: 667,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,800.28 : 1,194,802.32 = 483,827.04 : x
  2. Step 2: Convert to fraction form
    865,800.28/1,194,802.32 = 483,827.04/x
  3. Step 3: Cross multiply
    865,800.28x = 1,194,802.32 × 483,827.04
  4. Step 4: Simplify right side
    865,800.28x = 578,077,669,870.73
  5. Step 5: Solve for x
    x = 578,077,669,870.73/865,800.28
  6. Step 6: Final answer
    x = 667,680.16

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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.