Home / 769,808.02-1,155,759.16-433,085.62

Finding the Fourth Proportional to 769,808.02, 1,155,759.16 and 433,085.62

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Solution

The fourth proportional to 769,808.02, 1,155,759.16 and 433,085.62 is: 650,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,808.02 : 1,155,759.16 = 433,085.62 : x
  2. Step 2: Convert to fraction form
    769,808.02/1,155,759.16 = 433,085.62/x
  3. Step 3: Cross multiply
    769,808.02x = 1,155,759.16 × 433,085.62
  4. Step 4: Simplify right side
    769,808.02x = 500,542,672,379.28
  5. Step 5: Solve for x
    x = 500,542,672,379.28/769,808.02
  6. Step 6: Final answer
    x = 650,217.53

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Double scale
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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.