Home / 1,639,722.81-2,262,820.58-914,617.50

Finding the Fourth Proportional to 1,639,722.81, 2,262,820.58 and 914,617.50

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Solution

The fourth proportional to 1,639,722.81, 2,262,820.58 and 914,617.50 is: 1,262,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,722.81 : 2,262,820.58 = 914,617.50 : x
  2. Step 2: Convert to fraction form
    1,639,722.81/2,262,820.58 = 914,617.50/x
  3. Step 3: Cross multiply
    1,639,722.81x = 2,262,820.58 × 914,617.50
  4. Step 4: Simplify right side
    1,639,722.81x = 2,069,615,301,828.15
  5. Step 5: Solve for x
    x = 2,069,615,301,828.15/1,639,722.81
  6. Step 6: Final answer
    x = 1,262,173.88

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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.