Home / 1,276,697.04-1,761,820-703,790.56

Finding the Fourth Proportional to 1,276,697.04, 1,761,820 and 703,790.56

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Solution

The fourth proportional to 1,276,697.04, 1,761,820 and 703,790.56 is: 971,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,697.04 : 1,761,820 = 703,790.56 : x
  2. Step 2: Convert to fraction form
    1,276,697.04/1,761,820 = 703,790.56/x
  3. Step 3: Cross multiply
    1,276,697.04x = 1,761,820 × 703,790.56
  4. Step 4: Simplify right side
    1,276,697.04x = 1,239,952,284,419.20
  5. Step 5: Solve for x
    x = 1,239,952,284,419.20/1,276,697.04
  6. Step 6: Final answer
    x = 971,218.89

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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.