Home / 768,046.20-1,150,514.10-435,233.40

Finding the Fourth Proportional to 768,046.20, 1,150,514.10 and 435,233.40

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Solution

The fourth proportional to 768,046.20, 1,150,514.10 and 435,233.40 is: 651,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,046.20 : 1,150,514.10 = 435,233.40 : x
  2. Step 2: Convert to fraction form
    768,046.20/1,150,514.10 = 435,233.40/x
  3. Step 3: Cross multiply
    768,046.20x = 1,150,514.10 × 435,233.40
  4. Step 4: Simplify right side
    768,046.20x = 500,742,163,490.94
  5. Step 5: Solve for x
    x = 500,742,163,490.94/768,046.20
  6. Step 6: Final answer
    x = 651,968.81

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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.