Home / 1,077,961.96-1,487,655.48-619,220.08

Finding the Fourth Proportional to 1,077,961.96, 1,487,655.48 and 619,220.08

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Solution

The fourth proportional to 1,077,961.96, 1,487,655.48 and 619,220.08 is: 854,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,961.96 : 1,487,655.48 = 619,220.08 : x
  2. Step 2: Convert to fraction form
    1,077,961.96/1,487,655.48 = 619,220.08/x
  3. Step 3: Cross multiply
    1,077,961.96x = 1,487,655.48 × 619,220.08
  4. Step 4: Simplify right side
    1,077,961.96x = 921,186,145,338.04
  5. Step 5: Solve for x
    x = 921,186,145,338.04/1,077,961.96
  6. Step 6: Final answer
    x = 854,562.76

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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.