Home / 1,097,583.30-1,514,900.25-668,001.78

Finding the Fourth Proportional to 1,097,583.30, 1,514,900.25 and 668,001.78

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Solution

The fourth proportional to 1,097,583.30, 1,514,900.25 and 668,001.78 is: 921,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,583.30 : 1,514,900.25 = 668,001.78 : x
  2. Step 2: Convert to fraction form
    1,097,583.30/1,514,900.25 = 668,001.78/x
  3. Step 3: Cross multiply
    1,097,583.30x = 1,514,900.25 × 668,001.78
  4. Step 4: Simplify right side
    1,097,583.30x = 1,011,956,063,522.45
  5. Step 5: Solve for x
    x = 1,011,956,063,522.45/1,097,583.30
  6. Step 6: Final answer
    x = 921,985.66

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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.