Home / 936,254.89-1,292,032.02-528,443.11

Finding the Fourth Proportional to 936,254.89, 1,292,032.02 and 528,443.11

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Solution

The fourth proportional to 936,254.89, 1,292,032.02 and 528,443.11 is: 729,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,254.89 : 1,292,032.02 = 528,443.11 : x
  2. Step 2: Convert to fraction form
    936,254.89/1,292,032.02 = 528,443.11/x
  3. Step 3: Cross multiply
    936,254.89x = 1,292,032.02 × 528,443.11
  4. Step 4: Simplify right side
    936,254.89x = 682,765,424,612.68
  5. Step 5: Solve for x
    x = 682,765,424,612.68/936,254.89
  6. Step 6: Final answer
    x = 729,251.65

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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.