Home / 774,280.62-1,159,552.09-465,645.04

Finding the Fourth Proportional to 774,280.62, 1,159,552.09 and 465,645.04

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Solution

The fourth proportional to 774,280.62, 1,159,552.09 and 465,645.04 is: 697,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,280.62 : 1,159,552.09 = 465,645.04 : x
  2. Step 2: Convert to fraction form
    774,280.62/1,159,552.09 = 465,645.04/x
  3. Step 3: Cross multiply
    774,280.62x = 1,159,552.09 × 465,645.04
  4. Step 4: Simplify right side
    774,280.62x = 539,939,677,013.31
  5. Step 5: Solve for x
    x = 539,939,677,013.31/774,280.62
  6. Step 6: Final answer
    x = 697,343.65

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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.