Home / 1,102,678.48-1,521,690.54-619,264

Finding the Fourth Proportional to 1,102,678.48, 1,521,690.54 and 619,264

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Solution

The fourth proportional to 1,102,678.48, 1,521,690.54 and 619,264 is: 854,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,678.48 : 1,521,690.54 = 619,264 : x
  2. Step 2: Convert to fraction form
    1,102,678.48/1,521,690.54 = 619,264/x
  3. Step 3: Cross multiply
    1,102,678.48x = 1,521,690.54 × 619,264
  4. Step 4: Simplify right side
    1,102,678.48x = 942,328,170,562.56
  5. Step 5: Solve for x
    x = 942,328,170,562.56/1,102,678.48
  6. Step 6: Final answer
    x = 854,581.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.