Home / 816,766.80-1,226,462.40-617,312.40

Finding the Fourth Proportional to 816,766.80, 1,226,462.40 and 617,312.40

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Solution

The fourth proportional to 816,766.80, 1,226,462.40 and 617,312.40 is: 926,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,766.80 : 1,226,462.40 = 617,312.40 : x
  2. Step 2: Convert to fraction form
    816,766.80/1,226,462.40 = 617,312.40/x
  3. Step 3: Cross multiply
    816,766.80x = 1,226,462.40 × 617,312.40
  4. Step 4: Simplify right side
    816,766.80x = 757,110,447,653.76
  5. Step 5: Solve for x
    x = 757,110,447,653.76/816,766.80
  6. Step 6: Final answer
    x = 926,960.36

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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.