Home / 889,008.57-1,226,822.27-481,101.39

Finding the Fourth Proportional to 889,008.57, 1,226,822.27 and 481,101.39

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Solution

The fourth proportional to 889,008.57, 1,226,822.27 and 481,101.39 is: 663,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,008.57 : 1,226,822.27 = 481,101.39 : x
  2. Step 2: Convert to fraction form
    889,008.57/1,226,822.27 = 481,101.39/x
  3. Step 3: Cross multiply
    889,008.57x = 1,226,822.27 × 481,101.39
  4. Step 4: Simplify right side
    889,008.57x = 590,225,896,974.45
  5. Step 5: Solve for x
    x = 590,225,896,974.45/889,008.57
  6. Step 6: Final answer
    x = 663,914.74

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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.