Home / 826,007.84-1,140,100.32-564,469.16

Finding the Fourth Proportional to 826,007.84, 1,140,100.32 and 564,469.16

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Solution

The fourth proportional to 826,007.84, 1,140,100.32 and 564,469.16 is: 779,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,007.84 : 1,140,100.32 = 564,469.16 : x
  2. Step 2: Convert to fraction form
    826,007.84/1,140,100.32 = 564,469.16/x
  3. Step 3: Cross multiply
    826,007.84x = 1,140,100.32 × 564,469.16
  4. Step 4: Simplify right side
    826,007.84x = 643,551,469,946.13
  5. Step 5: Solve for x
    x = 643,551,469,946.13/826,007.84
  6. Step 6: Final answer
    x = 779,110.61

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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.