Home / 1,430,146.80-1,973,778.30-826,534.80

Finding the Fourth Proportional to 1,430,146.80, 1,973,778.30 and 826,534.80

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Solution

The fourth proportional to 1,430,146.80, 1,973,778.30 and 826,534.80 is: 1,140,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,146.80 : 1,973,778.30 = 826,534.80 : x
  2. Step 2: Convert to fraction form
    1,430,146.80/1,973,778.30 = 826,534.80/x
  3. Step 3: Cross multiply
    1,430,146.80x = 1,973,778.30 × 826,534.80
  4. Step 4: Simplify right side
    1,430,146.80x = 1,631,396,452,434.84
  5. Step 5: Solve for x
    x = 1,631,396,452,434.84/1,430,146.80
  6. Step 6: Final answer
    x = 1,140,719.58

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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.