Home / 1,853,109.70-2,779,664.55-656,383.30

Finding the Fourth Proportional to 1,853,109.70, 2,779,664.55 and 656,383.30

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Solution

The fourth proportional to 1,853,109.70, 2,779,664.55 and 656,383.30 is: 984,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,109.70 : 2,779,664.55 = 656,383.30 : x
  2. Step 2: Convert to fraction form
    1,853,109.70/2,779,664.55 = 656,383.30/x
  3. Step 3: Cross multiply
    1,853,109.70x = 2,779,664.55 × 656,383.30
  4. Step 4: Simplify right side
    1,853,109.70x = 1,824,525,390,222.02
  5. Step 5: Solve for x
    x = 1,824,525,390,222.02/1,853,109.70
  6. Step 6: Final answer
    x = 984,574.95

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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.