Home / 1,422,835.52-2,134,256.88-581,387.28

Finding the Fourth Proportional to 1,422,835.52, 2,134,256.88 and 581,387.28

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Solution

The fourth proportional to 1,422,835.52, 2,134,256.88 and 581,387.28 is: 872,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,835.52 : 2,134,256.88 = 581,387.28 : x
  2. Step 2: Convert to fraction form
    1,422,835.52/2,134,256.88 = 581,387.28/x
  3. Step 3: Cross multiply
    1,422,835.52x = 2,134,256.88 × 581,387.28
  4. Step 4: Simplify right side
    1,422,835.52x = 1,240,829,802,284.49
  5. Step 5: Solve for x
    x = 1,240,829,802,284.49/1,422,835.52
  6. Step 6: Final answer
    x = 872,082.39

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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.