Home / 1,319,976-1,821,566.88-716,364

Finding the Fourth Proportional to 1,319,976, 1,821,566.88 and 716,364

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Solution

The fourth proportional to 1,319,976, 1,821,566.88 and 716,364 is: 988,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,976 : 1,821,566.88 = 716,364 : x
  2. Step 2: Convert to fraction form
    1,319,976/1,821,566.88 = 716,364/x
  3. Step 3: Cross multiply
    1,319,976x = 1,821,566.88 × 716,364
  4. Step 4: Simplify right side
    1,319,976x = 1,304,904,936,424.32
  5. Step 5: Solve for x
    x = 1,304,904,936,424.32/1,319,976
  6. Step 6: Final answer
    x = 988,582.32

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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.