Home / 769,567.20-1,153,344.15-413,815.20

Finding the Fourth Proportional to 769,567.20, 1,153,344.15 and 413,815.20

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Solution

The fourth proportional to 769,567.20, 1,153,344.15 and 413,815.20 is: 620,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,567.20 : 1,153,344.15 = 413,815.20 : x
  2. Step 2: Convert to fraction form
    769,567.20/1,153,344.15 = 413,815.20/x
  3. Step 3: Cross multiply
    769,567.20x = 1,153,344.15 × 413,815.20
  4. Step 4: Simplify right side
    769,567.20x = 477,271,340,101.08
  5. Step 5: Solve for x
    x = 477,271,340,101.08/769,567.20
  6. Step 6: Final answer
    x = 620,181.50

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Half scale
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Double scale
Find fourth proportional to 769,568.20, 1,153,345.65 and 413,816.20
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.