Home / 1,219,926.36-1,683,615.60-676,179.84

Finding the Fourth Proportional to 1,219,926.36, 1,683,615.60 and 676,179.84

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Solution

The fourth proportional to 1,219,926.36, 1,683,615.60 and 676,179.84 is: 933,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,926.36 : 1,683,615.60 = 676,179.84 : x
  2. Step 2: Convert to fraction form
    1,219,926.36/1,683,615.60 = 676,179.84/x
  3. Step 3: Cross multiply
    1,219,926.36x = 1,683,615.60 × 676,179.84
  4. Step 4: Simplify right side
    1,219,926.36x = 1,138,426,927,029.50
  5. Step 5: Solve for x
    x = 1,138,426,927,029.50/1,219,926.36
  6. Step 6: Final answer
    x = 933,193.15

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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.