Home / 316,448.92-474,339.66-216,582.40

Finding the Fourth Proportional to 316,448.92, 474,339.66 and 216,582.40

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Solution

The fourth proportional to 316,448.92, 474,339.66 and 216,582.40 is: 324,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,448.92 : 474,339.66 = 216,582.40 : x
  2. Step 2: Convert to fraction form
    316,448.92/474,339.66 = 216,582.40/x
  3. Step 3: Cross multiply
    316,448.92x = 474,339.66 × 216,582.40
  4. Step 4: Simplify right side
    316,448.92x = 102,733,621,977.98
  5. Step 5: Solve for x
    x = 102,733,621,977.98/316,448.92
  6. Step 6: Final answer
    x = 324,645.20

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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.