Home / 725,056.36-1,087,695.18-369,876.58

Finding the Fourth Proportional to 725,056.36, 1,087,695.18 and 369,876.58

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Solution

The fourth proportional to 725,056.36, 1,087,695.18 and 369,876.58 is: 554,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,056.36 : 1,087,695.18 = 369,876.58 : x
  2. Step 2: Convert to fraction form
    725,056.36/1,087,695.18 = 369,876.58/x
  3. Step 3: Cross multiply
    725,056.36x = 1,087,695.18 × 369,876.58
  4. Step 4: Simplify right side
    725,056.36x = 402,312,973,260.88
  5. Step 5: Solve for x
    x = 402,312,973,260.88/725,056.36
  6. Step 6: Final answer
    x = 554,871.31

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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.