Home / 1,127,077.28-1,555,526.22-697,496.12

Finding the Fourth Proportional to 1,127,077.28, 1,555,526.22 and 697,496.12

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Solution

The fourth proportional to 1,127,077.28, 1,555,526.22 and 697,496.12 is: 962,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,077.28 : 1,555,526.22 = 697,496.12 : x
  2. Step 2: Convert to fraction form
    1,127,077.28/1,555,526.22 = 697,496.12/x
  3. Step 3: Cross multiply
    1,127,077.28x = 1,555,526.22 × 697,496.12
  4. Step 4: Simplify right side
    1,127,077.28x = 1,084,973,503,008.27
  5. Step 5: Solve for x
    x = 1,084,973,503,008.27/1,127,077.28
  6. Step 6: Final answer
    x = 962,643.40

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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.