Home / 449,217.61-671,779.75-335,445.31

Finding the Fourth Proportional to 449,217.61, 671,779.75 and 335,445.31

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Solution

The fourth proportional to 449,217.61, 671,779.75 and 335,445.31 is: 501,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,217.61 : 671,779.75 = 335,445.31 : x
  2. Step 2: Convert to fraction form
    449,217.61/671,779.75 = 335,445.31/x
  3. Step 3: Cross multiply
    449,217.61x = 671,779.75 × 335,445.31
  4. Step 4: Simplify right side
    449,217.61x = 225,345,366,885.93
  5. Step 5: Solve for x
    x = 225,345,366,885.93/449,217.61
  6. Step 6: Final answer
    x = 501,639.66

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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.