Home / 950,587.78-1,311,320.46-644,560.60

Finding the Fourth Proportional to 950,587.78, 1,311,320.46 and 644,560.60

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Solution

The fourth proportional to 950,587.78, 1,311,320.46 and 644,560.60 is: 889,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,587.78 : 1,311,320.46 = 644,560.60 : x
  2. Step 2: Convert to fraction form
    950,587.78/1,311,320.46 = 644,560.60/x
  3. Step 3: Cross multiply
    950,587.78x = 1,311,320.46 × 644,560.60
  4. Step 4: Simplify right side
    950,587.78x = 845,225,502,489.88
  5. Step 5: Solve for x
    x = 845,225,502,489.88/950,587.78
  6. Step 6: Final answer
    x = 889,160.92

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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.