Home / 1,236,425.32-1,706,124.90-692,485.48

Finding the Fourth Proportional to 1,236,425.32, 1,706,124.90 and 692,485.48

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Solution

The fourth proportional to 1,236,425.32, 1,706,124.90 and 692,485.48 is: 955,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,425.32 : 1,706,124.90 = 692,485.48 : x
  2. Step 2: Convert to fraction form
    1,236,425.32/1,706,124.90 = 692,485.48/x
  3. Step 3: Cross multiply
    1,236,425.32x = 1,706,124.90 × 692,485.48
  4. Step 4: Simplify right side
    1,236,425.32x = 1,181,466,720,316.45
  5. Step 5: Solve for x
    x = 1,181,466,720,316.45/1,236,425.32
  6. Step 6: Final answer
    x = 955,550.41

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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.