Home / 1,298,094.86-1,791,361.10-717,357.15

Finding the Fourth Proportional to 1,298,094.86, 1,791,361.10 and 717,357.15

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Solution

The fourth proportional to 1,298,094.86, 1,791,361.10 and 717,357.15 is: 989,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,094.86 : 1,791,361.10 = 717,357.15 : x
  2. Step 2: Convert to fraction form
    1,298,094.86/1,791,361.10 = 717,357.15/x
  3. Step 3: Cross multiply
    1,298,094.86x = 1,791,361.10 × 717,357.15
  4. Step 4: Simplify right side
    1,298,094.86x = 1,285,045,695,110.26
  5. Step 5: Solve for x
    x = 1,285,045,695,110.26/1,298,094.86
  6. Step 6: Final answer
    x = 989,947.45

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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.