Home / 651,342.45-898,747.94-409,453.76

Finding the Fourth Proportional to 651,342.45, 898,747.94 and 409,453.76

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Solution

The fourth proportional to 651,342.45, 898,747.94 and 409,453.76 is: 564,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,342.45 : 898,747.94 = 409,453.76 : x
  2. Step 2: Convert to fraction form
    651,342.45/898,747.94 = 409,453.76/x
  3. Step 3: Cross multiply
    651,342.45x = 898,747.94 × 409,453.76
  4. Step 4: Simplify right side
    651,342.45x = 367,995,716,784.25
  5. Step 5: Solve for x
    x = 367,995,716,784.25/651,342.45
  6. Step 6: Final answer
    x = 564,980.40

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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.