Home / 723,579.89-997,622.60-517,094.96

Finding the Fourth Proportional to 723,579.89, 997,622.60 and 517,094.96

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Solution

The fourth proportional to 723,579.89, 997,622.60 and 517,094.96 is: 712,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,579.89 : 997,622.60 = 517,094.96 : x
  2. Step 2: Convert to fraction form
    723,579.89/997,622.60 = 517,094.96/x
  3. Step 3: Cross multiply
    723,579.89x = 997,622.60 × 517,094.96
  4. Step 4: Simplify right side
    723,579.89x = 515,865,623,648.94
  5. Step 5: Solve for x
    x = 515,865,623,648.94/723,579.89
  6. Step 6: Final answer
    x = 712,935.27

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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.