Home / 1,186,708.96-1,637,255.51-670,387.42

Finding the Fourth Proportional to 1,186,708.96, 1,637,255.51 and 670,387.42

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Solution

The fourth proportional to 1,186,708.96, 1,637,255.51 and 670,387.42 is: 924,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,708.96 : 1,637,255.51 = 670,387.42 : x
  2. Step 2: Convert to fraction form
    1,186,708.96/1,637,255.51 = 670,387.42/x
  3. Step 3: Cross multiply
    1,186,708.96x = 1,637,255.51 × 670,387.42
  4. Step 4: Simplify right side
    1,186,708.96x = 1,097,595,497,229.68
  5. Step 5: Solve for x
    x = 1,097,595,497,229.68/1,186,708.96
  6. Step 6: Final answer
    x = 924,907.06

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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.