Home / 1,213,897.16-1,675,178.24-670,033.12

Finding the Fourth Proportional to 1,213,897.16, 1,675,178.24 and 670,033.12

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Solution

The fourth proportional to 1,213,897.16, 1,675,178.24 and 670,033.12 is: 924,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,897.16 : 1,675,178.24 = 670,033.12 : x
  2. Step 2: Convert to fraction form
    1,213,897.16/1,675,178.24 = 670,033.12/x
  3. Step 3: Cross multiply
    1,213,897.16x = 1,675,178.24 × 670,033.12
  4. Step 4: Simplify right side
    1,213,897.16x = 1,122,424,902,703.31
  5. Step 5: Solve for x
    x = 1,122,424,902,703.31/1,213,897.16
  6. Step 6: Final answer
    x = 924,645.79

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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.