Home / 1,619,798.07-2,428,182.61-720,751.53

Finding the Fourth Proportional to 1,619,798.07, 2,428,182.61 and 720,751.53

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Solution

The fourth proportional to 1,619,798.07, 2,428,182.61 and 720,751.53 is: 1,080,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,798.07 : 2,428,182.61 = 720,751.53 : x
  2. Step 2: Convert to fraction form
    1,619,798.07/2,428,182.61 = 720,751.53/x
  3. Step 3: Cross multiply
    1,619,798.07x = 2,428,182.61 × 720,751.53
  4. Step 4: Simplify right side
    1,619,798.07x = 1,750,116,331,276.89
  5. Step 5: Solve for x
    x = 1,750,116,331,276.89/1,619,798.07
  6. Step 6: Final answer
    x = 1,080,453.40

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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.