Home / 768,947.61-1,152,764.60-543,599.13

Finding the Fourth Proportional to 768,947.61, 1,152,764.60 and 543,599.13

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Solution

The fourth proportional to 768,947.61, 1,152,764.60 and 543,599.13 is: 814,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,947.61 : 1,152,764.60 = 543,599.13 : x
  2. Step 2: Convert to fraction form
    768,947.61/1,152,764.60 = 543,599.13/x
  3. Step 3: Cross multiply
    768,947.61x = 1,152,764.60 × 543,599.13
  4. Step 4: Simplify right side
    768,947.61x = 626,641,830,936.80
  5. Step 5: Solve for x
    x = 626,641,830,936.80/768,947.61
  6. Step 6: Final answer
    x = 814,934.36

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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.