Home / 828,160.07-1,142,854.02-465,585.54

Finding the Fourth Proportional to 828,160.07, 1,142,854.02 and 465,585.54

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Solution

The fourth proportional to 828,160.07, 1,142,854.02 and 465,585.54 is: 642,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,160.07 : 1,142,854.02 = 465,585.54 : x
  2. Step 2: Convert to fraction form
    828,160.07/1,142,854.02 = 465,585.54/x
  3. Step 3: Cross multiply
    828,160.07x = 1,142,854.02 × 465,585.54
  4. Step 4: Simplify right side
    828,160.07x = 532,096,306,042.87
  5. Step 5: Solve for x
    x = 532,096,306,042.87/828,160.07
  6. Step 6: Final answer
    x = 642,504.18

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1.5x scale

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.