Home / 816,874.45-1,127,200.45-454,239.74

Finding the Fourth Proportional to 816,874.45, 1,127,200.45 and 454,239.74

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Solution

The fourth proportional to 816,874.45, 1,127,200.45 and 454,239.74 is: 626,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,874.45 : 1,127,200.45 = 454,239.74 : x
  2. Step 2: Convert to fraction form
    816,874.45/1,127,200.45 = 454,239.74/x
  3. Step 3: Cross multiply
    816,874.45x = 1,127,200.45 × 454,239.74
  4. Step 4: Simplify right side
    816,874.45x = 512,019,239,335.88
  5. Step 5: Solve for x
    x = 512,019,239,335.88/816,874.45
  6. Step 6: Final answer
    x = 626,802.86

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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.