Home / 1,426,862.08-2,140,622.52-480,209.68

Finding the Fourth Proportional to 1,426,862.08, 2,140,622.52 and 480,209.68

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Solution

The fourth proportional to 1,426,862.08, 2,140,622.52 and 480,209.68 is: 720,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,862.08 : 2,140,622.52 = 480,209.68 : x
  2. Step 2: Convert to fraction form
    1,426,862.08/2,140,622.52 = 480,209.68/x
  3. Step 3: Cross multiply
    1,426,862.08x = 2,140,622.52 × 480,209.68
  4. Step 4: Simplify right side
    1,426,862.08x = 1,027,947,655,329.99
  5. Step 5: Solve for x
    x = 1,027,947,655,329.99/1,426,862.08
  6. Step 6: Final answer
    x = 720,425.38

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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.