Home / 1,262,561.40-1,894,108.08-409,566.45

Finding the Fourth Proportional to 1,262,561.40, 1,894,108.08 and 409,566.45

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Solution

The fourth proportional to 1,262,561.40, 1,894,108.08 and 409,566.45 is: 614,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,561.40 : 1,894,108.08 = 409,566.45 : x
  2. Step 2: Convert to fraction form
    1,262,561.40/1,894,108.08 = 409,566.45/x
  3. Step 3: Cross multiply
    1,262,561.40x = 1,894,108.08 × 409,566.45
  4. Step 4: Simplify right side
    1,262,561.40x = 775,763,122,241.92
  5. Step 5: Solve for x
    x = 775,763,122,241.92/1,262,561.40
  6. Step 6: Final answer
    x = 614,435.96

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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.