Home / 1,416,484.31-2,124,101.34-405,376.05

Finding the Fourth Proportional to 1,416,484.31, 2,124,101.34 and 405,376.05

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Solution

The fourth proportional to 1,416,484.31, 2,124,101.34 and 405,376.05 is: 607,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,484.31 : 2,124,101.34 = 405,376.05 : x
  2. Step 2: Convert to fraction form
    1,416,484.31/2,124,101.34 = 405,376.05/x
  3. Step 3: Cross multiply
    1,416,484.31x = 2,124,101.34 × 405,376.05
  4. Step 4: Simplify right side
    1,416,484.31x = 861,059,811,008.91
  5. Step 5: Solve for x
    x = 861,059,811,008.91/1,416,484.31
  6. Step 6: Final answer
    x = 607,885.18

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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.