Home / 1,426,750.47-2,140,200.96-361,801.74

Finding the Fourth Proportional to 1,426,750.47, 2,140,200.96 and 361,801.74

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Solution

The fourth proportional to 1,426,750.47, 2,140,200.96 and 361,801.74 is: 542,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,750.47 : 2,140,200.96 = 361,801.74 : x
  2. Step 2: Convert to fraction form
    1,426,750.47/2,140,200.96 = 361,801.74/x
  3. Step 3: Cross multiply
    1,426,750.47x = 2,140,200.96 × 361,801.74
  4. Step 4: Simplify right side
    1,426,750.47x = 774,328,431,277.67
  5. Step 5: Solve for x
    x = 774,328,431,277.67/1,426,750.47
  6. Step 6: Final answer
    x = 542,721.69

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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.