Home / 985,518.20-1,476,203.70-819,630.20

Finding the Fourth Proportional to 985,518.20, 1,476,203.70 and 819,630.20

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Solution

The fourth proportional to 985,518.20, 1,476,203.70 and 819,630.20 is: 1,227,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,518.20 : 1,476,203.70 = 819,630.20 : x
  2. Step 2: Convert to fraction form
    985,518.20/1,476,203.70 = 819,630.20/x
  3. Step 3: Cross multiply
    985,518.20x = 1,476,203.70 × 819,630.20
  4. Step 4: Simplify right side
    985,518.20x = 1,209,941,133,871.74
  5. Step 5: Solve for x
    x = 1,209,941,133,871.74/985,518.20
  6. Step 6: Final answer
    x = 1,227,720.74

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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.