Home / 1,078,881.93-1,616,969.68-572,192.31

Finding the Fourth Proportional to 1,078,881.93, 1,616,969.68 and 572,192.31

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Solution

The fourth proportional to 1,078,881.93, 1,616,969.68 and 572,192.31 is: 857,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,881.93 : 1,616,969.68 = 572,192.31 : x
  2. Step 2: Convert to fraction form
    1,078,881.93/1,616,969.68 = 572,192.31/x
  3. Step 3: Cross multiply
    1,078,881.93x = 1,616,969.68 × 572,192.31
  4. Step 4: Simplify right side
    1,078,881.93x = 925,217,616,399.16
  5. Step 5: Solve for x
    x = 925,217,616,399.16/1,078,881.93
  6. Step 6: Final answer
    x = 857,570.78

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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.