Home / 1,242,478.15-1,714,761.02-691,248.44

Finding the Fourth Proportional to 1,242,478.15, 1,714,761.02 and 691,248.44

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Solution

The fourth proportional to 1,242,478.15, 1,714,761.02 and 691,248.44 is: 954,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,478.15 : 1,714,761.02 = 691,248.44 : x
  2. Step 2: Convert to fraction form
    1,242,478.15/1,714,761.02 = 691,248.44/x
  3. Step 3: Cross multiply
    1,242,478.15x = 1,714,761.02 × 691,248.44
  4. Step 4: Simplify right side
    1,242,478.15x = 1,185,325,880,047.81
  5. Step 5: Solve for x
    x = 1,185,325,880,047.81/1,242,478.15
  6. Step 6: Final answer
    x = 954,001.39

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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.