Home / 863,752.18-1,294,410.39-407,857.00

Finding the Fourth Proportional to 863,752.18, 1,294,410.39 and 407,857.00

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Solution

The fourth proportional to 863,752.18, 1,294,410.39 and 407,857.00 is: 611,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,752.18 : 1,294,410.39 = 407,857.00 : x
  2. Step 2: Convert to fraction form
    863,752.18/1,294,410.39 = 407,857.00/x
  3. Step 3: Cross multiply
    863,752.18x = 1,294,410.39 × 407,857.00
  4. Step 4: Simplify right side
    863,752.18x = 527,934,331,962.18
  5. Step 5: Solve for x
    x = 527,934,331,962.18/863,752.18
  6. Step 6: Final answer
    x = 611,210.42

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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.