Home / 1,219,856.61-1,683,406.08-676,001.37

Finding the Fourth Proportional to 1,219,856.61, 1,683,406.08 and 676,001.37

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Solution

The fourth proportional to 1,219,856.61, 1,683,406.08 and 676,001.37 is: 932,884.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,856.61 : 1,683,406.08 = 676,001.37 : x
  2. Step 2: Convert to fraction form
    1,219,856.61/1,683,406.08 = 676,001.37/x
  3. Step 3: Cross multiply
    1,219,856.61x = 1,683,406.08 × 676,001.37
  4. Step 4: Simplify right side
    1,219,856.61x = 1,137,984,816,346.33
  5. Step 5: Solve for x
    x = 1,137,984,816,346.33/1,219,856.61
  6. Step 6: Final answer
    x = 932,884.08

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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.