Home / 1,299,348.34-1,948,135.56-692,227.42

Finding the Fourth Proportional to 1,299,348.34, 1,948,135.56 and 692,227.42

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Solution

The fourth proportional to 1,299,348.34, 1,948,135.56 and 692,227.42 is: 1,037,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,348.34 : 1,948,135.56 = 692,227.42 : x
  2. Step 2: Convert to fraction form
    1,299,348.34/1,948,135.56 = 692,227.42/x
  3. Step 3: Cross multiply
    1,299,348.34x = 1,948,135.56 × 692,227.42
  4. Step 4: Simplify right side
    1,299,348.34x = 1,348,552,852,509.06
  5. Step 5: Solve for x
    x = 1,348,552,852,509.06/1,299,348.34
  6. Step 6: Final answer
    x = 1,037,868.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.