Home / 3,012,127.59-4,518,191.40-768,265.59

Finding the Fourth Proportional to 3,012,127.59, 4,518,191.40 and 768,265.59

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Solution

The fourth proportional to 3,012,127.59, 4,518,191.40 and 768,265.59 is: 1,152,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,127.59 : 4,518,191.40 = 768,265.59 : x
  2. Step 2: Convert to fraction form
    3,012,127.59/4,518,191.40 = 768,265.59/x
  3. Step 3: Cross multiply
    3,012,127.59x = 4,518,191.40 × 768,265.59
  4. Step 4: Simplify right side
    3,012,127.59x = 3,471,170,981,653.93
  5. Step 5: Solve for x
    x = 3,471,170,981,653.93/3,012,127.59
  6. Step 6: Final answer
    x = 1,152,398.39

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Double scale
Find fourth proportional to 3,012,128.59, 4,518,192.90 and 768,266.59
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.