Home / 710,111.25-1,065,351.56-211,475.25

Finding the Fourth Proportional to 710,111.25, 1,065,351.56 and 211,475.25

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Solution

The fourth proportional to 710,111.25, 1,065,351.56 and 211,475.25 is: 317,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,111.25 : 1,065,351.56 = 211,475.25 : x
  2. Step 2: Convert to fraction form
    710,111.25/1,065,351.56 = 211,475.25/x
  3. Step 3: Cross multiply
    710,111.25x = 1,065,351.56 × 211,475.25
  4. Step 4: Simplify right side
    710,111.25x = 225,295,486,431.51
  5. Step 5: Solve for x
    x = 225,295,486,431.51/710,111.25
  6. Step 6: Final answer
    x = 317,267.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.