Home / 710,335.32-1,065,923.34-261,371.46

Finding the Fourth Proportional to 710,335.32, 1,065,923.34 and 261,371.46

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Solution

The fourth proportional to 710,335.32, 1,065,923.34 and 261,371.46 is: 392,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,335.32 : 1,065,923.34 = 261,371.46 : x
  2. Step 2: Convert to fraction form
    710,335.32/1,065,923.34 = 261,371.46/x
  3. Step 3: Cross multiply
    710,335.32x = 1,065,923.34 × 261,371.46
  4. Step 4: Simplify right side
    710,335.32x = 278,601,939,623.88
  5. Step 5: Solve for x
    x = 278,601,939,623.88/710,335.32
  6. Step 6: Final answer
    x = 392,211.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.