Home / 437,946.40-656,727.60-201,210.40

Finding the Fourth Proportional to 437,946.40, 656,727.60 and 201,210.40

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Solution

The fourth proportional to 437,946.40, 656,727.60 and 201,210.40 is: 301,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,946.40 : 656,727.60 = 201,210.40 : x
  2. Step 2: Convert to fraction form
    437,946.40/656,727.60 = 201,210.40/x
  3. Step 3: Cross multiply
    437,946.40x = 656,727.60 × 201,210.40
  4. Step 4: Simplify right side
    437,946.40x = 132,140,423,087.04
  5. Step 5: Solve for x
    x = 132,140,423,087.04/437,946.40
  6. Step 6: Final answer
    x = 301,727.39

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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.