Home / 1,319,669.50-1,821,143.91-716,057.50

Finding the Fourth Proportional to 1,319,669.50, 1,821,143.91 and 716,057.50

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Solution

The fourth proportional to 1,319,669.50, 1,821,143.91 and 716,057.50 is: 988,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,669.50 : 1,821,143.91 = 716,057.50 : x
  2. Step 2: Convert to fraction form
    1,319,669.50/1,821,143.91 = 716,057.50/x
  3. Step 3: Cross multiply
    1,319,669.50x = 1,821,143.91 × 716,057.50
  4. Step 4: Simplify right side
    1,319,669.50x = 1,304,043,755,334.83
  5. Step 5: Solve for x
    x = 1,304,043,755,334.83/1,319,669.50
  6. Step 6: Final answer
    x = 988,159.35

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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.