Home / 875,182.50-1,206,103.05-633,054.45

Finding the Fourth Proportional to 875,182.50, 1,206,103.05 and 633,054.45

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Solution

The fourth proportional to 875,182.50, 1,206,103.05 and 633,054.45 is: 872,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,182.50 : 1,206,103.05 = 633,054.45 : x
  2. Step 2: Convert to fraction form
    875,182.50/1,206,103.05 = 633,054.45/x
  3. Step 3: Cross multiply
    875,182.50x = 1,206,103.05 × 633,054.45
  4. Step 4: Simplify right side
    875,182.50x = 763,528,902,961.07
  5. Step 5: Solve for x
    x = 763,528,902,961.07/875,182.50
  6. Step 6: Final answer
    x = 872,422.50

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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.