Home / 638,582.04-957,947.18-212,155.92

Finding the Fourth Proportional to 638,582.04, 957,947.18 and 212,155.92

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Solution

The fourth proportional to 638,582.04, 957,947.18 and 212,155.92 is: 318,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,582.04 : 957,947.18 = 212,155.92 : x
  2. Step 2: Convert to fraction form
    638,582.04/957,947.18 = 212,155.92/x
  3. Step 3: Cross multiply
    638,582.04x = 957,947.18 × 212,155.92
  4. Step 4: Simplify right side
    638,582.04x = 203,234,164,223.53
  5. Step 5: Solve for x
    x = 203,234,164,223.53/638,582.04
  6. Step 6: Final answer
    x = 318,258.50

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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.