Home / 1,102,158.40-1,653,237.60-1,091,660.80

Finding the Fourth Proportional to 1,102,158.40, 1,653,237.60 and 1,091,660.80

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Solution

The fourth proportional to 1,102,158.40, 1,653,237.60 and 1,091,660.80 is: 1,637,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,158.40 : 1,653,237.60 = 1,091,660.80 : x
  2. Step 2: Convert to fraction form
    1,102,158.40/1,653,237.60 = 1,091,660.80/x
  3. Step 3: Cross multiply
    1,102,158.40x = 1,653,237.60 × 1,091,660.80
  4. Step 4: Simplify right side
    1,102,158.40x = 1,804,774,681,006.08
  5. Step 5: Solve for x
    x = 1,804,774,681,006.08/1,102,158.40
  6. Step 6: Final answer
    x = 1,637,491.20

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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.