Home / 738,080.80-1,103,076.83-538,820.80

Finding the Fourth Proportional to 738,080.80, 1,103,076.83 and 538,820.80

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Solution

The fourth proportional to 738,080.80, 1,103,076.83 and 538,820.80 is: 805,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,080.80 : 1,103,076.83 = 538,820.80 : x
  2. Step 2: Convert to fraction form
    738,080.80/1,103,076.83 = 538,820.80/x
  3. Step 3: Cross multiply
    738,080.80x = 1,103,076.83 × 538,820.80
  4. Step 4: Simplify right side
    738,080.80x = 594,360,740,002.06
  5. Step 5: Solve for x
    x = 594,360,740,002.06/738,080.80
  6. Step 6: Final answer
    x = 805,278.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.