Home / 1,168,803.40-1,753,205.10-1,121,564.20

Finding the Fourth Proportional to 1,168,803.40, 1,753,205.10 and 1,121,564.20

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Solution

The fourth proportional to 1,168,803.40, 1,753,205.10 and 1,121,564.20 is: 1,682,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,803.40 : 1,753,205.10 = 1,121,564.20 : x
  2. Step 2: Convert to fraction form
    1,168,803.40/1,753,205.10 = 1,121,564.20/x
  3. Step 3: Cross multiply
    1,168,803.40x = 1,753,205.10 × 1,121,564.20
  4. Step 4: Simplify right side
    1,168,803.40x = 1,966,332,075,417.42
  5. Step 5: Solve for x
    x = 1,966,332,075,417.42/1,168,803.40
  6. Step 6: Final answer
    x = 1,682,346.30

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Similar ratio
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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.