Home / 451,898.32-623,631.15-247,949.18

Finding the Fourth Proportional to 451,898.32, 623,631.15 and 247,949.18

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Solution

The fourth proportional to 451,898.32, 623,631.15 and 247,949.18 is: 342,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,898.32 : 623,631.15 = 247,949.18 : x
  2. Step 2: Convert to fraction form
    451,898.32/623,631.15 = 247,949.18/x
  3. Step 3: Cross multiply
    451,898.32x = 623,631.15 × 247,949.18
  4. Step 4: Simplify right side
    451,898.32x = 154,628,832,264.96
  5. Step 5: Solve for x
    x = 154,628,832,264.96/451,898.32
  6. Step 6: Final answer
    x = 342,176.16

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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.