Home / 828,977.80-1,243,466.70-577,035.40

Finding the Fourth Proportional to 828,977.80, 1,243,466.70 and 577,035.40

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Solution

The fourth proportional to 828,977.80, 1,243,466.70 and 577,035.40 is: 865,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,977.80 : 1,243,466.70 = 577,035.40 : x
  2. Step 2: Convert to fraction form
    828,977.80/1,243,466.70 = 577,035.40/x
  3. Step 3: Cross multiply
    828,977.80x = 1,243,466.70 × 577,035.40
  4. Step 4: Simplify right side
    828,977.80x = 717,524,304,621.18
  5. Step 5: Solve for x
    x = 717,524,304,621.18/828,977.80
  6. Step 6: Final answer
    x = 865,553.10

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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.