Home / 1,197,979.87-1,653,220.29-654,119.47

Finding the Fourth Proportional to 1,197,979.87, 1,653,220.29 and 654,119.47

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Solution

The fourth proportional to 1,197,979.87, 1,653,220.29 and 654,119.47 is: 902,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,979.87 : 1,653,220.29 = 654,119.47 : x
  2. Step 2: Convert to fraction form
    1,197,979.87/1,653,220.29 = 654,119.47/x
  3. Step 3: Cross multiply
    1,197,979.87x = 1,653,220.29 × 654,119.47
  4. Step 4: Simplify right side
    1,197,979.87x = 1,081,403,579,888.05
  5. Step 5: Solve for x
    x = 1,081,403,579,888.05/1,197,979.87
  6. Step 6: Final answer
    x = 902,689.27

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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.