Home / 889,361.28-1,227,326.40-526,805.76

Finding the Fourth Proportional to 889,361.28, 1,227,326.40 and 526,805.76

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Solution

The fourth proportional to 889,361.28, 1,227,326.40 and 526,805.76 is: 726,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,361.28 : 1,227,326.40 = 526,805.76 : x
  2. Step 2: Convert to fraction form
    889,361.28/1,227,326.40 = 526,805.76/x
  3. Step 3: Cross multiply
    889,361.28x = 1,227,326.40 × 526,805.76
  4. Step 4: Simplify right side
    889,361.28x = 646,562,616,920.06
  5. Step 5: Solve for x
    x = 646,562,616,920.06/889,361.28
  6. Step 6: Final answer
    x = 726,996.59

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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.