Home / 785,985.23-1,179,269.77-545,972.66

Finding the Fourth Proportional to 785,985.23, 1,179,269.77 and 545,972.66

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Solution

The fourth proportional to 785,985.23, 1,179,269.77 and 545,972.66 is: 819,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,985.23 : 1,179,269.77 = 545,972.66 : x
  2. Step 2: Convert to fraction form
    785,985.23/1,179,269.77 = 545,972.66/x
  3. Step 3: Cross multiply
    785,985.23x = 1,179,269.77 × 545,972.66
  4. Step 4: Simplify right side
    785,985.23x = 643,849,050,454.63
  5. Step 5: Solve for x
    x = 643,849,050,454.63/785,985.23
  6. Step 6: Final answer
    x = 819,161.77

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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.