Home / 665,749.48-918,905.16-410,954.26

Finding the Fourth Proportional to 665,749.48, 918,905.16 and 410,954.26

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Solution

The fourth proportional to 665,749.48, 918,905.16 and 410,954.26 is: 567,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,749.48 : 918,905.16 = 410,954.26 : x
  2. Step 2: Convert to fraction form
    665,749.48/918,905.16 = 410,954.26/x
  3. Step 3: Cross multiply
    665,749.48x = 918,905.16 × 410,954.26
  4. Step 4: Simplify right side
    665,749.48x = 377,627,990,037.98
  5. Step 5: Solve for x
    x = 377,627,990,037.98/665,749.48
  6. Step 6: Final answer
    x = 567,222.36

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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.