Home / 889,011.57-1,226,826.40-481,104.39

Finding the Fourth Proportional to 889,011.57, 1,226,826.40 and 481,104.39

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Solution

The fourth proportional to 889,011.57, 1,226,826.40 and 481,104.39 is: 663,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,011.57 : 1,226,826.40 = 481,104.39 : x
  2. Step 2: Convert to fraction form
    889,011.57/1,226,826.40 = 481,104.39/x
  3. Step 3: Cross multiply
    889,011.57x = 1,226,826.40 × 481,104.39
  4. Step 4: Simplify right side
    889,011.57x = 590,231,566,807.90
  5. Step 5: Solve for x
    x = 590,231,566,807.90/889,011.57
  6. Step 6: Final answer
    x = 663,918.88

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Double scale
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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.