Home / 1,616,649.32-2,230,924.74-891,527.60

Finding the Fourth Proportional to 1,616,649.32, 2,230,924.74 and 891,527.60

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Solution

The fourth proportional to 1,616,649.32, 2,230,924.74 and 891,527.60 is: 1,230,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,649.32 : 2,230,924.74 = 891,527.60 : x
  2. Step 2: Convert to fraction form
    1,616,649.32/2,230,924.74 = 891,527.60/x
  3. Step 3: Cross multiply
    1,616,649.32x = 2,230,924.74 × 891,527.60
  4. Step 4: Simplify right side
    1,616,649.32x = 1,988,930,979,232.82
  5. Step 5: Solve for x
    x = 1,988,930,979,232.82/1,616,649.32
  6. Step 6: Final answer
    x = 1,230,279.79

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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.