Home / 1,434,146.68-2,151,200.56-488,176.84

Finding the Fourth Proportional to 1,434,146.68, 2,151,200.56 and 488,176.84

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Solution

The fourth proportional to 1,434,146.68, 2,151,200.56 and 488,176.84 is: 732,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,146.68 : 2,151,200.56 = 488,176.84 : x
  2. Step 2: Convert to fraction form
    1,434,146.68/2,151,200.56 = 488,176.84/x
  3. Step 3: Cross multiply
    1,434,146.68x = 2,151,200.56 × 488,176.84
  4. Step 4: Simplify right side
    1,434,146.68x = 1,050,166,291,587.03
  5. Step 5: Solve for x
    x = 1,050,166,291,587.03/1,434,146.68
  6. Step 6: Final answer
    x = 732,258.64

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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.