Home / 1,054,191.78-1,581,582.78-423,548.46

Finding the Fourth Proportional to 1,054,191.78, 1,581,582.78 and 423,548.46

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Solution

The fourth proportional to 1,054,191.78, 1,581,582.78 and 423,548.46 is: 635,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,191.78 : 1,581,582.78 = 423,548.46 : x
  2. Step 2: Convert to fraction form
    1,054,191.78/1,581,582.78 = 423,548.46/x
  3. Step 3: Cross multiply
    1,054,191.78x = 1,581,582.78 × 423,548.46
  4. Step 4: Simplify right side
    1,054,191.78x = 669,876,950,831.52
  5. Step 5: Solve for x
    x = 669,876,950,831.52/1,054,191.78
  6. Step 6: Final answer
    x = 635,441.26

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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.