Home / 1,173,748.48-1,619,785.92-664,439.68

Finding the Fourth Proportional to 1,173,748.48, 1,619,785.92 and 664,439.68

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Solution

The fourth proportional to 1,173,748.48, 1,619,785.92 and 664,439.68 is: 916,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,748.48 : 1,619,785.92 = 664,439.68 : x
  2. Step 2: Convert to fraction form
    1,173,748.48/1,619,785.92 = 664,439.68/x
  3. Step 3: Cross multiply
    1,173,748.48x = 1,619,785.92 × 664,439.68
  4. Step 4: Simplify right side
    1,173,748.48x = 1,076,250,038,353.31
  5. Step 5: Solve for x
    x = 1,076,250,038,353.31/1,173,748.48
  6. Step 6: Final answer
    x = 916,934.13

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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.