Home / 710,513.80-1,065,722.10-230,734.60

Finding the Fourth Proportional to 710,513.80, 1,065,722.10 and 230,734.60

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Solution

The fourth proportional to 710,513.80, 1,065,722.10 and 230,734.60 is: 346,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,513.80 : 1,065,722.10 = 230,734.60 : x
  2. Step 2: Convert to fraction form
    710,513.80/1,065,722.10 = 230,734.60/x
  3. Step 3: Cross multiply
    710,513.80x = 1,065,722.10 × 230,734.60
  4. Step 4: Simplify right side
    710,513.80x = 245,898,962,454.66
  5. Step 5: Solve for x
    x = 245,898,962,454.66/710,513.80
  6. Step 6: Final answer
    x = 346,086.12

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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.