Home / 1,521,148.66-2,281,574.41-399,217.66

Finding the Fourth Proportional to 1,521,148.66, 2,281,574.41 and 399,217.66

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Solution

The fourth proportional to 1,521,148.66, 2,281,574.41 and 399,217.66 is: 598,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,148.66 : 2,281,574.41 = 399,217.66 : x
  2. Step 2: Convert to fraction form
    1,521,148.66/2,281,574.41 = 399,217.66/x
  3. Step 3: Cross multiply
    1,521,148.66x = 2,281,574.41 × 399,217.66
  4. Step 4: Simplify right side
    1,521,148.66x = 910,844,797,076.08
  5. Step 5: Solve for x
    x = 910,844,797,076.08/1,521,148.66
  6. Step 6: Final answer
    x = 598,787.50

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Double scale
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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.