Home / 1,127,060.82-1,555,503.42-697,479.30

Finding the Fourth Proportional to 1,127,060.82, 1,555,503.42 and 697,479.30

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Solution

The fourth proportional to 1,127,060.82, 1,555,503.42 and 697,479.30 is: 962,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,060.82 : 1,555,503.42 = 697,479.30 : x
  2. Step 2: Convert to fraction form
    1,127,060.82/1,555,503.42 = 697,479.30/x
  3. Step 3: Cross multiply
    1,127,060.82x = 1,555,503.42 × 697,479.30
  4. Step 4: Simplify right side
    1,127,060.82x = 1,084,931,436,529.21
  5. Step 5: Solve for x
    x = 1,084,931,436,529.21/1,127,060.82
  6. Step 6: Final answer
    x = 962,620.13

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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.