Home / 1,658,654.98-2,487,980.63-521,516.61

Finding the Fourth Proportional to 1,658,654.98, 2,487,980.63 and 521,516.61

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Solution

The fourth proportional to 1,658,654.98, 2,487,980.63 and 521,516.61 is: 782,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,654.98 : 2,487,980.63 = 521,516.61 : x
  2. Step 2: Convert to fraction form
    1,658,654.98/2,487,980.63 = 521,516.61/x
  3. Step 3: Cross multiply
    1,658,654.98x = 2,487,980.63 × 521,516.61
  4. Step 4: Simplify right side
    1,658,654.98x = 1,297,523,225,207.06
  5. Step 5: Solve for x
    x = 1,297,523,225,207.06/1,658,654.98
  6. Step 6: Final answer
    x = 782,274.34

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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.