Home / 1,036,803.20-1,555,204.80-288,849.20

Finding the Fourth Proportional to 1,036,803.20, 1,555,204.80 and 288,849.20

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Solution

The fourth proportional to 1,036,803.20, 1,555,204.80 and 288,849.20 is: 433,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,803.20 : 1,555,204.80 = 288,849.20 : x
  2. Step 2: Convert to fraction form
    1,036,803.20/1,555,204.80 = 288,849.20/x
  3. Step 3: Cross multiply
    1,036,803.20x = 1,555,204.80 × 288,849.20
  4. Step 4: Simplify right side
    1,036,803.20x = 449,219,662,316.16
  5. Step 5: Solve for x
    x = 449,219,662,316.16/1,036,803.20
  6. Step 6: Final answer
    x = 433,273.80

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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.