Home / 659,264.40-988,896.60-185,943.60

Finding the Fourth Proportional to 659,264.40, 988,896.60 and 185,943.60

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Solution

The fourth proportional to 659,264.40, 988,896.60 and 185,943.60 is: 278,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,264.40 : 988,896.60 = 185,943.60 : x
  2. Step 2: Convert to fraction form
    659,264.40/988,896.60 = 185,943.60/x
  3. Step 3: Cross multiply
    659,264.40x = 988,896.60 × 185,943.60
  4. Step 4: Simplify right side
    659,264.40x = 183,878,993,831.76
  5. Step 5: Solve for x
    x = 183,878,993,831.76/659,264.40
  6. Step 6: Final answer
    x = 278,915.40

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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.