Home / 974,515.38-1,461,107.85-519,174.69

Finding the Fourth Proportional to 974,515.38, 1,461,107.85 and 519,174.69

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Solution

The fourth proportional to 974,515.38, 1,461,107.85 and 519,174.69 is: 778,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,515.38 : 1,461,107.85 = 519,174.69 : x
  2. Step 2: Convert to fraction form
    974,515.38/1,461,107.85 = 519,174.69/x
  3. Step 3: Cross multiply
    974,515.38x = 1,461,107.85 × 519,174.69
  4. Step 4: Simplify right side
    974,515.38x = 758,570,215,080.32
  5. Step 5: Solve for x
    x = 758,570,215,080.32/974,515.38
  6. Step 6: Final answer
    x = 778,407.64

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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.