Home / 828,160.20-1,142,854.19-465,585.67

Finding the Fourth Proportional to 828,160.20, 1,142,854.19 and 465,585.67

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Solution

The fourth proportional to 828,160.20, 1,142,854.19 and 465,585.67 is: 642,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,160.20 : 1,142,854.19 = 465,585.67 : x
  2. Step 2: Convert to fraction form
    828,160.20/1,142,854.19 = 465,585.67/x
  3. Step 3: Cross multiply
    828,160.20x = 1,142,854.19 × 465,585.67
  4. Step 4: Simplify right side
    828,160.20x = 532,096,528,049.19
  5. Step 5: Solve for x
    x = 532,096,528,049.19/828,160.20
  6. Step 6: Final answer
    x = 642,504.35

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Double scale
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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.