Home / 710,436.66-1,065,726.75-230,644.40

Finding the Fourth Proportional to 710,436.66, 1,065,726.75 and 230,644.40

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Solution

The fourth proportional to 710,436.66, 1,065,726.75 and 230,644.40 is: 345,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,436.66 : 1,065,726.75 = 230,644.40 : x
  2. Step 2: Convert to fraction form
    710,436.66/1,065,726.75 = 230,644.40/x
  3. Step 3: Cross multiply
    710,436.66x = 1,065,726.75 × 230,644.40
  4. Step 4: Simplify right side
    710,436.66x = 245,803,906,817.70
  5. Step 5: Solve for x
    x = 245,803,906,817.70/710,436.66
  6. Step 6: Final answer
    x = 345,989.90

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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.