Home / 440,827.91-607,779.35-285,504.78

Finding the Fourth Proportional to 440,827.91, 607,779.35 and 285,504.78

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Solution

The fourth proportional to 440,827.91, 607,779.35 and 285,504.78 is: 393,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,827.91 : 607,779.35 = 285,504.78 : x
  2. Step 2: Convert to fraction form
    440,827.91/607,779.35 = 285,504.78/x
  3. Step 3: Cross multiply
    440,827.91x = 607,779.35 × 285,504.78
  4. Step 4: Simplify right side
    440,827.91x = 173,523,908,044.88
  5. Step 5: Solve for x
    x = 173,523,908,044.88/440,827.91
  6. Step 6: Final answer
    x = 393,631.85

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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.