Home / 603,749.10-905,623.65-543,614.70

Finding the Fourth Proportional to 603,749.10, 905,623.65 and 543,614.70

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Solution

The fourth proportional to 603,749.10, 905,623.65 and 543,614.70 is: 815,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,749.10 : 905,623.65 = 543,614.70 : x
  2. Step 2: Convert to fraction form
    603,749.10/905,623.65 = 543,614.70/x
  3. Step 3: Cross multiply
    603,749.10x = 905,623.65 × 543,614.70
  4. Step 4: Simplify right side
    603,749.10x = 492,310,328,807.66
  5. Step 5: Solve for x
    x = 492,310,328,807.66/603,749.10
  6. Step 6: Final answer
    x = 815,422.05

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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.