Home / 460,048.20-690,072.30-127,624.20

Finding the Fourth Proportional to 460,048.20, 690,072.30 and 127,624.20

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Solution

The fourth proportional to 460,048.20, 690,072.30 and 127,624.20 is: 191,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,048.20 : 690,072.30 = 127,624.20 : x
  2. Step 2: Convert to fraction form
    460,048.20/690,072.30 = 127,624.20/x
  3. Step 3: Cross multiply
    460,048.20x = 690,072.30 × 127,624.20
  4. Step 4: Simplify right side
    460,048.20x = 88,069,925,229.66
  5. Step 5: Solve for x
    x = 88,069,925,229.66/460,048.20
  6. Step 6: Final answer
    x = 191,436.30

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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.