Home / 1,182,741.60-1,632,184.02-638,877.36

Finding the Fourth Proportional to 1,182,741.60, 1,632,184.02 and 638,877.36

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Solution

The fourth proportional to 1,182,741.60, 1,632,184.02 and 638,877.36 is: 881,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,741.60 : 1,632,184.02 = 638,877.36 : x
  2. Step 2: Convert to fraction form
    1,182,741.60/1,632,184.02 = 638,877.36/x
  3. Step 3: Cross multiply
    1,182,741.60x = 1,632,184.02 × 638,877.36
  4. Step 4: Simplify right side
    1,182,741.60x = 1,042,765,417,731.79
  5. Step 5: Solve for x
    x = 1,042,765,417,731.79/1,182,741.60
  6. Step 6: Final answer
    x = 881,651.09

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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.