Home / 935,731.72-1,402,620.67-678,943.90

Finding the Fourth Proportional to 935,731.72, 1,402,620.67 and 678,943.90

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Solution

The fourth proportional to 935,731.72, 1,402,620.67 and 678,943.90 is: 1,017,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,731.72 : 1,402,620.67 = 678,943.90 : x
  2. Step 2: Convert to fraction form
    935,731.72/1,402,620.67 = 678,943.90/x
  3. Step 3: Cross multiply
    935,731.72x = 1,402,620.67 × 678,943.90
  4. Step 4: Simplify right side
    935,731.72x = 952,300,747,910.41
  5. Step 5: Solve for x
    x = 952,300,747,910.41/935,731.72
  6. Step 6: Final answer
    x = 1,017,707.03

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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.