Home / 1,123,713.09-1,685,524.95-619,274.25

Finding the Fourth Proportional to 1,123,713.09, 1,685,524.95 and 619,274.25

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Solution

The fourth proportional to 1,123,713.09, 1,685,524.95 and 619,274.25 is: 928,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,713.09 : 1,685,524.95 = 619,274.25 : x
  2. Step 2: Convert to fraction form
    1,123,713.09/1,685,524.95 = 619,274.25/x
  3. Step 3: Cross multiply
    1,123,713.09x = 1,685,524.95 × 619,274.25
  4. Step 4: Simplify right side
    1,123,713.09x = 1,043,802,199,267.54
  5. Step 5: Solve for x
    x = 1,043,802,199,267.54/1,123,713.09
  6. Step 6: Final answer
    x = 928,886.75

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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.