Home / 847,140.56-1,269,023.52-619,914.92

Finding the Fourth Proportional to 847,140.56, 1,269,023.52 and 619,914.92

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Solution

The fourth proportional to 847,140.56, 1,269,023.52 and 619,914.92 is: 928,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,140.56 : 1,269,023.52 = 619,914.92 : x
  2. Step 2: Convert to fraction form
    847,140.56/1,269,023.52 = 619,914.92/x
  3. Step 3: Cross multiply
    847,140.56x = 1,269,023.52 × 619,914.92
  4. Step 4: Simplify right side
    847,140.56x = 786,686,613,878.92
  5. Step 5: Solve for x
    x = 786,686,613,878.92/847,140.56
  6. Step 6: Final answer
    x = 928,637.64

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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.