Home / 1,195,282.78-1,649,442.12-651,406.86

Finding the Fourth Proportional to 1,195,282.78, 1,649,442.12 and 651,406.86

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Solution

The fourth proportional to 1,195,282.78, 1,649,442.12 and 651,406.86 is: 898,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,282.78 : 1,649,442.12 = 651,406.86 : x
  2. Step 2: Convert to fraction form
    1,195,282.78/1,649,442.12 = 651,406.86/x
  3. Step 3: Cross multiply
    1,195,282.78x = 1,649,442.12 × 651,406.86
  4. Step 4: Simplify right side
    1,195,282.78x = 1,074,457,909,698.17
  5. Step 5: Solve for x
    x = 1,074,457,909,698.17/1,195,282.78
  6. Step 6: Final answer
    x = 898,915.24

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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.