Home / 665,442.56-997,220.24-514,982.48

Finding the Fourth Proportional to 665,442.56, 997,220.24 and 514,982.48

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Solution

The fourth proportional to 665,442.56, 997,220.24 and 514,982.48 is: 771,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,442.56 : 997,220.24 = 514,982.48 : x
  2. Step 2: Convert to fraction form
    665,442.56/997,220.24 = 514,982.48/x
  3. Step 3: Cross multiply
    665,442.56x = 997,220.24 × 514,982.48
  4. Step 4: Simplify right side
    665,442.56x = 513,550,952,301.40
  5. Step 5: Solve for x
    x = 513,550,952,301.40/665,442.56
  6. Step 6: Final answer
    x = 771,743.47

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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.