Home / 1,254,412.76-1,731,104.35-681,461.96

Finding the Fourth Proportional to 1,254,412.76, 1,731,104.35 and 681,461.96

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Solution

The fourth proportional to 1,254,412.76, 1,731,104.35 and 681,461.96 is: 940,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,412.76 : 1,731,104.35 = 681,461.96 : x
  2. Step 2: Convert to fraction form
    1,254,412.76/1,731,104.35 = 681,461.96/x
  3. Step 3: Cross multiply
    1,254,412.76x = 1,731,104.35 × 681,461.96
  4. Step 4: Simplify right side
    1,254,412.76x = 1,179,681,763,315.53
  5. Step 5: Solve for x
    x = 1,179,681,763,315.53/1,254,412.76
  6. Step 6: Final answer
    x = 940,425.51

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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.