Home / 665,040.44-915,822.84-577,785.20

Finding the Fourth Proportional to 665,040.44, 915,822.84 and 577,785.20

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Solution

The fourth proportional to 665,040.44, 915,822.84 and 577,785.20 is: 795,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,040.44 : 915,822.84 = 577,785.20 : x
  2. Step 2: Convert to fraction form
    665,040.44/915,822.84 = 577,785.20/x
  3. Step 3: Cross multiply
    665,040.44x = 915,822.84 × 577,785.20
  4. Step 4: Simplify right side
    665,040.44x = 529,148,882,773.97
  5. Step 5: Solve for x
    x = 529,148,882,773.97/665,040.44
  6. Step 6: Final answer
    x = 795,664.22

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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.