Home / 758,335.72-1,046,510.44-431,632.78

Finding the Fourth Proportional to 758,335.72, 1,046,510.44 and 431,632.78

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Solution

The fourth proportional to 758,335.72, 1,046,510.44 and 431,632.78 is: 595,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,335.72 : 1,046,510.44 = 431,632.78 : x
  2. Step 2: Convert to fraction form
    758,335.72/1,046,510.44 = 431,632.78/x
  3. Step 3: Cross multiply
    758,335.72x = 1,046,510.44 × 431,632.78
  4. Step 4: Simplify right side
    758,335.72x = 451,708,210,516.22
  5. Step 5: Solve for x
    x = 451,708,210,516.22/758,335.72
  6. Step 6: Final answer
    x = 595,657.30

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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.