Home / 1,853,111.70-2,779,667.55-656,385.30

Finding the Fourth Proportional to 1,853,111.70, 2,779,667.55 and 656,385.30

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Solution

The fourth proportional to 1,853,111.70, 2,779,667.55 and 656,385.30 is: 984,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,111.70 : 2,779,667.55 = 656,385.30 : x
  2. Step 2: Convert to fraction form
    1,853,111.70/2,779,667.55 = 656,385.30/x
  3. Step 3: Cross multiply
    1,853,111.70x = 2,779,667.55 × 656,385.30
  4. Step 4: Simplify right side
    1,853,111.70x = 1,824,532,918,707.02
  5. Step 5: Solve for x
    x = 1,824,532,918,707.02/1,853,111.70
  6. Step 6: Final answer
    x = 984,577.95

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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.