Home / 665,318.51-997,722.16-523,442.35

Finding the Fourth Proportional to 665,318.51, 997,722.16 and 523,442.35

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Solution

The fourth proportional to 665,318.51, 997,722.16 and 523,442.35 is: 784,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,318.51 : 997,722.16 = 523,442.35 : x
  2. Step 2: Convert to fraction form
    665,318.51/997,722.16 = 523,442.35/x
  3. Step 3: Cross multiply
    665,318.51x = 997,722.16 × 523,442.35
  4. Step 4: Simplify right side
    665,318.51x = 522,250,032,016.02
  5. Step 5: Solve for x
    x = 522,250,032,016.02/665,318.51
  6. Step 6: Final answer
    x = 784,962.43

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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.