Home / 460,601.17-690,433.69-190,876.06

Finding the Fourth Proportional to 460,601.17, 690,433.69 and 190,876.06

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Solution

The fourth proportional to 460,601.17, 690,433.69 and 190,876.06 is: 286,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,601.17 : 690,433.69 = 190,876.06 : x
  2. Step 2: Convert to fraction form
    460,601.17/690,433.69 = 190,876.06/x
  3. Step 3: Cross multiply
    460,601.17x = 690,433.69 × 190,876.06
  4. Step 4: Simplify right side
    460,601.17x = 131,787,262,438.46
  5. Step 5: Solve for x
    x = 131,787,262,438.46/460,601.17
  6. Step 6: Final answer
    x = 286,120.12

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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.