Home / 1,065,220.82-1,598,055.92-345,506.63

Finding the Fourth Proportional to 1,065,220.82, 1,598,055.92 and 345,506.63

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Solution

The fourth proportional to 1,065,220.82, 1,598,055.92 and 345,506.63 is: 518,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,220.82 : 1,598,055.92 = 345,506.63 : x
  2. Step 2: Convert to fraction form
    1,065,220.82/1,598,055.92 = 345,506.63/x
  3. Step 3: Cross multiply
    1,065,220.82x = 1,598,055.92 × 345,506.63
  4. Step 4: Simplify right side
    1,065,220.82x = 552,138,915,470.75
  5. Step 5: Solve for x
    x = 552,138,915,470.75/1,065,220.82
  6. Step 6: Final answer
    x = 518,332.82

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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.