Home / 440,838.14-608,363.17-257,071.60

Finding the Fourth Proportional to 440,838.14, 608,363.17 and 257,071.60

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Solution

The fourth proportional to 440,838.14, 608,363.17 and 257,071.60 is: 354,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,838.14 : 608,363.17 = 257,071.60 : x
  2. Step 2: Convert to fraction form
    440,838.14/608,363.17 = 257,071.60/x
  3. Step 3: Cross multiply
    440,838.14x = 608,363.17 × 257,071.60
  4. Step 4: Simplify right side
    440,838.14x = 156,392,891,329.39
  5. Step 5: Solve for x
    x = 156,392,891,329.39/440,838.14
  6. Step 6: Final answer
    x = 354,762.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.