Home / 1,175,583.40-1,763,375.10-289,119.40

Finding the Fourth Proportional to 1,175,583.40, 1,763,375.10 and 289,119.40

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Solution

The fourth proportional to 1,175,583.40, 1,763,375.10 and 289,119.40 is: 433,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,583.40 : 1,763,375.10 = 289,119.40 : x
  2. Step 2: Convert to fraction form
    1,175,583.40/1,763,375.10 = 289,119.40/x
  3. Step 3: Cross multiply
    1,175,583.40x = 1,763,375.10 × 289,119.40
  4. Step 4: Simplify right side
    1,175,583.40x = 509,825,950,886.94
  5. Step 5: Solve for x
    x = 509,825,950,886.94/1,175,583.40
  6. Step 6: Final answer
    x = 433,679.10

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Double scale
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1.5x scale

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.