Home / 1,228,509.68-1,694,567.40-845,871.92

Finding the Fourth Proportional to 1,228,509.68, 1,694,567.40 and 845,871.92

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Solution

The fourth proportional to 1,228,509.68, 1,694,567.40 and 845,871.92 is: 1,166,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,509.68 : 1,694,567.40 = 845,871.92 : x
  2. Step 2: Convert to fraction form
    1,228,509.68/1,694,567.40 = 845,871.92/x
  3. Step 3: Cross multiply
    1,228,509.68x = 1,694,567.40 × 845,871.92
  4. Step 4: Simplify right side
    1,228,509.68x = 1,433,386,980,207.41
  5. Step 5: Solve for x
    x = 1,433,386,980,207.41/1,228,509.68
  6. Step 6: Final answer
    x = 1,166,768.98

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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.