Home / 1,261,223.76-1,740,525.76-688,300.77

Finding the Fourth Proportional to 1,261,223.76, 1,740,525.76 and 688,300.77

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Solution

The fourth proportional to 1,261,223.76, 1,740,525.76 and 688,300.77 is: 949,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,223.76 : 1,740,525.76 = 688,300.77 : x
  2. Step 2: Convert to fraction form
    1,261,223.76/1,740,525.76 = 688,300.77/x
  3. Step 3: Cross multiply
    1,261,223.76x = 1,740,525.76 × 688,300.77
  4. Step 4: Simplify right side
    1,261,223.76x = 1,198,005,217,371.33
  5. Step 5: Solve for x
    x = 1,198,005,217,371.33/1,261,223.76
  6. Step 6: Final answer
    x = 949,875.24

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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.