Home / 967,429.80-1,451,144.70-489,132.90

Finding the Fourth Proportional to 967,429.80, 1,451,144.70 and 489,132.90

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Solution

The fourth proportional to 967,429.80, 1,451,144.70 and 489,132.90 is: 733,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,429.80 : 1,451,144.70 = 489,132.90 : x
  2. Step 2: Convert to fraction form
    967,429.80/1,451,144.70 = 489,132.90/x
  3. Step 3: Cross multiply
    967,429.80x = 1,451,144.70 × 489,132.90
  4. Step 4: Simplify right side
    967,429.80x = 709,802,615,430.63
  5. Step 5: Solve for x
    x = 709,802,615,430.63/967,429.80
  6. Step 6: Final answer
    x = 733,699.35

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Double scale
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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.