Home / 577,153.20-796,058.19-405,109.59

Finding the Fourth Proportional to 577,153.20, 796,058.19 and 405,109.59

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Solution

The fourth proportional to 577,153.20, 796,058.19 and 405,109.59 is: 558,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,153.20 : 796,058.19 = 405,109.59 : x
  2. Step 2: Convert to fraction form
    577,153.20/796,058.19 = 405,109.59/x
  3. Step 3: Cross multiply
    577,153.20x = 796,058.19 × 405,109.59
  4. Step 4: Simplify right side
    577,153.20x = 322,490,806,967.04
  5. Step 5: Solve for x
    x = 322,490,806,967.04/577,153.20
  6. Step 6: Final answer
    x = 558,761.19

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1.5x scale

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.