Home / 1,212,070.08-1,818,640.65-635,555.70

Finding the Fourth Proportional to 1,212,070.08, 1,818,640.65 and 635,555.70

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Solution

The fourth proportional to 1,212,070.08, 1,818,640.65 and 635,555.70 is: 953,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,070.08 : 1,818,640.65 = 635,555.70 : x
  2. Step 2: Convert to fraction form
    1,212,070.08/1,818,640.65 = 635,555.70/x
  3. Step 3: Cross multiply
    1,212,070.08x = 1,818,640.65 × 635,555.70
  4. Step 4: Simplify right side
    1,212,070.08x = 1,155,847,431,359.20
  5. Step 5: Solve for x
    x = 1,155,847,431,359.20/1,212,070.08
  6. Step 6: Final answer
    x = 953,614.36

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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.