Home / 1,219,858.96-1,683,470.10-676,054.12

Finding the Fourth Proportional to 1,219,858.96, 1,683,470.10 and 676,054.12

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Solution

The fourth proportional to 1,219,858.96, 1,683,470.10 and 676,054.12 is: 932,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,858.96 : 1,683,470.10 = 676,054.12 : x
  2. Step 2: Convert to fraction form
    1,219,858.96/1,683,470.10 = 676,054.12/x
  3. Step 3: Cross multiply
    1,219,858.96x = 1,683,470.10 × 676,054.12
  4. Step 4: Simplify right side
    1,219,858.96x = 1,138,116,897,001.81
  5. Step 5: Solve for x
    x = 1,138,116,897,001.81/1,219,858.96
  6. Step 6: Final answer
    x = 932,990.56

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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.