Home / 1,265,074.90-1,745,823.05-692,124.64

Finding the Fourth Proportional to 1,265,074.90, 1,745,823.05 and 692,124.64

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Solution

The fourth proportional to 1,265,074.90, 1,745,823.05 and 692,124.64 is: 955,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,074.90 : 1,745,823.05 = 692,124.64 : x
  2. Step 2: Convert to fraction form
    1,265,074.90/1,745,823.05 = 692,124.64/x
  3. Step 3: Cross multiply
    1,265,074.90x = 1,745,823.05 × 692,124.64
  4. Step 4: Simplify right side
    1,265,074.90x = 1,208,327,149,984.95
  5. Step 5: Solve for x
    x = 1,208,327,149,984.95/1,265,074.90
  6. Step 6: Final answer
    x = 955,142.77

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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.