Home / 656,919.90-906,714.60-370,606.06

Finding the Fourth Proportional to 656,919.90, 906,714.60 and 370,606.06

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Solution

The fourth proportional to 656,919.90, 906,714.60 and 370,606.06 is: 511,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,919.90 : 906,714.60 = 370,606.06 : x
  2. Step 2: Convert to fraction form
    656,919.90/906,714.60 = 370,606.06/x
  3. Step 3: Cross multiply
    656,919.90x = 906,714.60 × 370,606.06
  4. Step 4: Simplify right side
    656,919.90x = 336,033,925,450.48
  5. Step 5: Solve for x
    x = 336,033,925,450.48/656,919.90
  6. Step 6: Final answer
    x = 511,529.53

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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.