Home / 1,026,186.24-1,415,220-644,248.64

Finding the Fourth Proportional to 1,026,186.24, 1,415,220 and 644,248.64

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Solution

The fourth proportional to 1,026,186.24, 1,415,220 and 644,248.64 is: 888,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,186.24 : 1,415,220 = 644,248.64 : x
  2. Step 2: Convert to fraction form
    1,026,186.24/1,415,220 = 644,248.64/x
  3. Step 3: Cross multiply
    1,026,186.24x = 1,415,220 × 644,248.64
  4. Step 4: Simplify right side
    1,026,186.24x = 911,753,560,300.80
  5. Step 5: Solve for x
    x = 911,753,560,300.80/1,026,186.24
  6. Step 6: Final answer
    x = 888,487.42

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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.