Home / 889,761.59-1,227,893.47-545,787.20

Finding the Fourth Proportional to 889,761.59, 1,227,893.47 and 545,787.20

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Solution

The fourth proportional to 889,761.59, 1,227,893.47 and 545,787.20 is: 753,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,761.59 : 1,227,893.47 = 545,787.20 : x
  2. Step 2: Convert to fraction form
    889,761.59/1,227,893.47 = 545,787.20/x
  3. Step 3: Cross multiply
    889,761.59x = 1,227,893.47 × 545,787.20
  4. Step 4: Simplify right side
    889,761.59x = 670,168,531,385.65
  5. Step 5: Solve for x
    x = 670,168,531,385.65/889,761.59
  6. Step 6: Final answer
    x = 753,200.11

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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.