Home / 826,743.06-1,140,817.29-464,206.50

Finding the Fourth Proportional to 826,743.06, 1,140,817.29 and 464,206.50

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Solution

The fourth proportional to 826,743.06, 1,140,817.29 and 464,206.50 is: 640,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,743.06 : 1,140,817.29 = 464,206.50 : x
  2. Step 2: Convert to fraction form
    826,743.06/1,140,817.29 = 464,206.50/x
  3. Step 3: Cross multiply
    826,743.06x = 1,140,817.29 × 464,206.50
  4. Step 4: Simplify right side
    826,743.06x = 529,574,801,330.39
  5. Step 5: Solve for x
    x = 529,574,801,330.39/826,743.06
  6. Step 6: Final answer
    x = 640,555.48

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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.