Home / 441,631.60-661,669.80-362,316.40

Finding the Fourth Proportional to 441,631.60, 661,669.80 and 362,316.40

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Solution

The fourth proportional to 441,631.60, 661,669.80 and 362,316.40 is: 542,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,631.60 : 661,669.80 = 362,316.40 : x
  2. Step 2: Convert to fraction form
    441,631.60/661,669.80 = 362,316.40/x
  3. Step 3: Cross multiply
    441,631.60x = 661,669.80 × 362,316.40
  4. Step 4: Simplify right side
    441,631.60x = 239,733,819,924.72
  5. Step 5: Solve for x
    x = 239,733,819,924.72/441,631.60
  6. Step 6: Final answer
    x = 542,836.65

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1.5x scale

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.