Home / 647,670.08-971,569.92-198,385.76

Finding the Fourth Proportional to 647,670.08, 971,569.92 and 198,385.76

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Solution

The fourth proportional to 647,670.08, 971,569.92 and 198,385.76 is: 297,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,670.08 : 971,569.92 = 198,385.76 : x
  2. Step 2: Convert to fraction form
    647,670.08/971,569.92 = 198,385.76/x
  3. Step 3: Cross multiply
    647,670.08x = 971,569.92 × 198,385.76
  4. Step 4: Simplify right side
    647,670.08x = 192,745,636,972.34
  5. Step 5: Solve for x
    x = 192,745,636,972.34/647,670.08
  6. Step 6: Final answer
    x = 297,598.49

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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.