Home / 793,511.20-1,190,266.80-781,701.40

Finding the Fourth Proportional to 793,511.20, 1,190,266.80 and 781,701.40

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Solution

The fourth proportional to 793,511.20, 1,190,266.80 and 781,701.40 is: 1,172,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,511.20 : 1,190,266.80 = 781,701.40 : x
  2. Step 2: Convert to fraction form
    793,511.20/1,190,266.80 = 781,701.40/x
  3. Step 3: Cross multiply
    793,511.20x = 1,190,266.80 × 781,701.40
  4. Step 4: Simplify right side
    793,511.20x = 930,433,223,933.52
  5. Step 5: Solve for x
    x = 930,433,223,933.52/793,511.20
  6. Step 6: Final answer
    x = 1,172,552.10

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Similar ratio
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1.5x scale

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.