Home / 1,199,000.70-1,654,621.38-647,716.59

Finding the Fourth Proportional to 1,199,000.70, 1,654,621.38 and 647,716.59

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Solution

The fourth proportional to 1,199,000.70, 1,654,621.38 and 647,716.59 is: 893,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,000.70 : 1,654,621.38 = 647,716.59 : x
  2. Step 2: Convert to fraction form
    1,199,000.70/1,654,621.38 = 647,716.59/x
  3. Step 3: Cross multiply
    1,199,000.70x = 1,654,621.38 × 647,716.59
  4. Step 4: Simplify right side
    1,199,000.70x = 1,071,725,717,994.69
  5. Step 5: Solve for x
    x = 1,071,725,717,994.69/1,199,000.70
  6. Step 6: Final answer
    x = 893,849.12

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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.