Home / 690,731.90-1,034,184.92-353,045.44

Finding the Fourth Proportional to 690,731.90, 1,034,184.92 and 353,045.44

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Solution

The fourth proportional to 690,731.90, 1,034,184.92 and 353,045.44 is: 528,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,731.90 : 1,034,184.92 = 353,045.44 : x
  2. Step 2: Convert to fraction form
    690,731.90/1,034,184.92 = 353,045.44/x
  3. Step 3: Cross multiply
    690,731.90x = 1,034,184.92 × 353,045.44
  4. Step 4: Simplify right side
    690,731.90x = 365,114,263,832.98
  5. Step 5: Solve for x
    x = 365,114,263,832.98/690,731.90
  6. Step 6: Final answer
    x = 528,590.41

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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.