Home / 909,292.32-1,364,331.84-488,076.48

Finding the Fourth Proportional to 909,292.32, 1,364,331.84 and 488,076.48

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Solution

The fourth proportional to 909,292.32, 1,364,331.84 and 488,076.48 is: 732,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,292.32 : 1,364,331.84 = 488,076.48 : x
  2. Step 2: Convert to fraction form
    909,292.32/1,364,331.84 = 488,076.48/x
  3. Step 3: Cross multiply
    909,292.32x = 1,364,331.84 × 488,076.48
  4. Step 4: Simplify right side
    909,292.32x = 665,898,282,019.12
  5. Step 5: Solve for x
    x = 665,898,282,019.12/909,292.32
  6. Step 6: Final answer
    x = 732,325.86

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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.