Home / 935,686.08-1,290,076.92-780,860.52

Finding the Fourth Proportional to 935,686.08, 1,290,076.92 and 780,860.52

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Solution

The fourth proportional to 935,686.08, 1,290,076.92 and 780,860.52 is: 1,076,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,686.08 : 1,290,076.92 = 780,860.52 : x
  2. Step 2: Convert to fraction form
    935,686.08/1,290,076.92 = 780,860.52/x
  3. Step 3: Cross multiply
    935,686.08x = 1,290,076.92 × 780,860.52
  4. Step 4: Simplify right side
    935,686.08x = 1,007,370,134,591.20
  5. Step 5: Solve for x
    x = 1,007,370,134,591.20/935,686.08
  6. Step 6: Final answer
    x = 1,076,611.22

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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.