Home / 805,982.04-1,113,002.10-519,993.72

Finding the Fourth Proportional to 805,982.04, 1,113,002.10 and 519,993.72

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Solution

The fourth proportional to 805,982.04, 1,113,002.10 and 519,993.72 is: 718,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,982.04 : 1,113,002.10 = 519,993.72 : x
  2. Step 2: Convert to fraction form
    805,982.04/1,113,002.10 = 519,993.72/x
  3. Step 3: Cross multiply
    805,982.04x = 1,113,002.10 × 519,993.72
  4. Step 4: Simplify right side
    805,982.04x = 578,754,102,346.81
  5. Step 5: Solve for x
    x = 578,754,102,346.81/805,982.04
  6. Step 6: Final answer
    x = 718,073.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.