Home / 440,823.72-608,403.21-268,841.48

Finding the Fourth Proportional to 440,823.72, 608,403.21 and 268,841.48

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Solution

The fourth proportional to 440,823.72, 608,403.21 and 268,841.48 is: 371,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,823.72 : 608,403.21 = 268,841.48 : x
  2. Step 2: Convert to fraction form
    440,823.72/608,403.21 = 268,841.48/x
  3. Step 3: Cross multiply
    440,823.72x = 608,403.21 × 268,841.48
  4. Step 4: Simplify right side
    440,823.72x = 163,564,020,934.16
  5. Step 5: Solve for x
    x = 163,564,020,934.16/440,823.72
  6. Step 6: Final answer
    x = 371,041.79

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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.