Home / 898,236.60-1,239,400.64-511,029.40

Finding the Fourth Proportional to 898,236.60, 1,239,400.64 and 511,029.40

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Solution

The fourth proportional to 898,236.60, 1,239,400.64 and 511,029.40 is: 705,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,236.60 : 1,239,400.64 = 511,029.40 : x
  2. Step 2: Convert to fraction form
    898,236.60/1,239,400.64 = 511,029.40/x
  3. Step 3: Cross multiply
    898,236.60x = 1,239,400.64 × 511,029.40
  4. Step 4: Simplify right side
    898,236.60x = 633,370,165,418.82
  5. Step 5: Solve for x
    x = 633,370,165,418.82/898,236.60
  6. Step 6: Final answer
    x = 705,126.21

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1.5x scale

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.