Home / 1,236,154.64-1,705,812.20-692,165.72

Finding the Fourth Proportional to 1,236,154.64, 1,705,812.20 and 692,165.72

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Solution

The fourth proportional to 1,236,154.64, 1,705,812.20 and 692,165.72 is: 955,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,154.64 : 1,705,812.20 = 692,165.72 : x
  2. Step 2: Convert to fraction form
    1,236,154.64/1,705,812.20 = 692,165.72/x
  3. Step 3: Cross multiply
    1,236,154.64x = 1,705,812.20 × 692,165.72
  4. Step 4: Simplify right side
    1,236,154.64x = 1,180,704,730,401.49
  5. Step 5: Solve for x
    x = 1,180,704,730,401.49/1,236,154.64
  6. Step 6: Final answer
    x = 955,143.23

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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.