Home / 1,082,155.48-1,623,216.80-372,189.66

Finding the Fourth Proportional to 1,082,155.48, 1,623,216.80 and 372,189.66

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Solution

The fourth proportional to 1,082,155.48, 1,623,216.80 and 372,189.66 is: 558,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,155.48 : 1,623,216.80 = 372,189.66 : x
  2. Step 2: Convert to fraction form
    1,082,155.48/1,623,216.80 = 372,189.66/x
  3. Step 3: Cross multiply
    1,082,155.48x = 1,623,216.80 × 372,189.66
  4. Step 4: Simplify right side
    1,082,155.48x = 604,144,508,898.29
  5. Step 5: Solve for x
    x = 604,144,508,898.29/1,082,155.48
  6. Step 6: Final answer
    x = 558,278.84

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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.