Home / 1,175,423.40-1,763,135.10-755,519.40

Finding the Fourth Proportional to 1,175,423.40, 1,763,135.10 and 755,519.40

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Solution

The fourth proportional to 1,175,423.40, 1,763,135.10 and 755,519.40 is: 1,133,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,423.40 : 1,763,135.10 = 755,519.40 : x
  2. Step 2: Convert to fraction form
    1,175,423.40/1,763,135.10 = 755,519.40/x
  3. Step 3: Cross multiply
    1,175,423.40x = 1,763,135.10 × 755,519.40
  4. Step 4: Simplify right side
    1,175,423.40x = 1,332,082,772,870.94
  5. Step 5: Solve for x
    x = 1,332,082,772,870.94/1,175,423.40
  6. Step 6: Final answer
    x = 1,133,279.10

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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.