Home / 748,907.64-1,123,128.18-250,155

Finding the Fourth Proportional to 748,907.64, 1,123,128.18 and 250,155

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Solution

The fourth proportional to 748,907.64, 1,123,128.18 and 250,155 is: 375,154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,907.64 : 1,123,128.18 = 250,155 : x
  2. Step 2: Convert to fraction form
    748,907.64/1,123,128.18 = 250,155/x
  3. Step 3: Cross multiply
    748,907.64x = 1,123,128.18 × 250,155
  4. Step 4: Simplify right side
    748,907.64x = 280,956,129,867.90
  5. Step 5: Solve for x
    x = 280,956,129,867.90/748,907.64
  6. Step 6: Final answer
    x = 375,154.58

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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.