Home / 1,273,191.54-1,756,972.50-692,407.80

Finding the Fourth Proportional to 1,273,191.54, 1,756,972.50 and 692,407.80

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Solution

The fourth proportional to 1,273,191.54, 1,756,972.50 and 692,407.80 is: 955,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,191.54 : 1,756,972.50 = 692,407.80 : x
  2. Step 2: Convert to fraction form
    1,273,191.54/1,756,972.50 = 692,407.80/x
  3. Step 3: Cross multiply
    1,273,191.54x = 1,756,972.50 × 692,407.80
  4. Step 4: Simplify right side
    1,273,191.54x = 1,216,541,463,385.50
  5. Step 5: Solve for x
    x = 1,216,541,463,385.50/1,273,191.54
  6. Step 6: Final answer
    x = 955,505.46

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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.