Home / 1,036,011.20-1,554,016.80-288,057.20

Finding the Fourth Proportional to 1,036,011.20, 1,554,016.80 and 288,057.20

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Solution

The fourth proportional to 1,036,011.20, 1,554,016.80 and 288,057.20 is: 432,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,011.20 : 1,554,016.80 = 288,057.20 : x
  2. Step 2: Convert to fraction form
    1,036,011.20/1,554,016.80 = 288,057.20/x
  3. Step 3: Cross multiply
    1,036,011.20x = 1,554,016.80 × 288,057.20
  4. Step 4: Simplify right side
    1,036,011.20x = 447,645,728,160.96
  5. Step 5: Solve for x
    x = 447,645,728,160.96/1,036,011.20
  6. Step 6: Final answer
    x = 432,085.80

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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.