Home / 828,166.80-1,241,472.60-648,152.40

Finding the Fourth Proportional to 828,166.80, 1,241,472.60 and 648,152.40

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Solution

The fourth proportional to 828,166.80, 1,241,472.60 and 648,152.40 is: 971,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,166.80 : 1,241,472.60 = 648,152.40 : x
  2. Step 2: Convert to fraction form
    828,166.80/1,241,472.60 = 648,152.40/x
  3. Step 3: Cross multiply
    828,166.80x = 1,241,472.60 × 648,152.40
  4. Step 4: Simplify right side
    828,166.80x = 804,663,445,224.24
  5. Step 5: Solve for x
    x = 804,663,445,224.24/828,166.80
  6. Step 6: Final answer
    x = 971,620.02

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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.