Home / 883,839.80-1,219,664.54-540,251.02

Finding the Fourth Proportional to 883,839.80, 1,219,664.54 and 540,251.02

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Solution

The fourth proportional to 883,839.80, 1,219,664.54 and 540,251.02 is: 745,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,839.80 : 1,219,664.54 = 540,251.02 : x
  2. Step 2: Convert to fraction form
    883,839.80/1,219,664.54 = 540,251.02/x
  3. Step 3: Cross multiply
    883,839.80x = 1,219,664.54 × 540,251.02
  4. Step 4: Simplify right side
    883,839.80x = 658,925,004,768.51
  5. Step 5: Solve for x
    x = 658,925,004,768.51/883,839.80
  6. Step 6: Final answer
    x = 745,525.38

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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.