Home / 985,965.41-1,479,111.56-346,103.18

Finding the Fourth Proportional to 985,965.41, 1,479,111.56 and 346,103.18

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Solution

The fourth proportional to 985,965.41, 1,479,111.56 and 346,103.18 is: 519,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,965.41 : 1,479,111.56 = 346,103.18 : x
  2. Step 2: Convert to fraction form
    985,965.41/1,479,111.56 = 346,103.18/x
  3. Step 3: Cross multiply
    985,965.41x = 1,479,111.56 × 346,103.18
  4. Step 4: Simplify right side
    985,965.41x = 511,925,205,364.69
  5. Step 5: Solve for x
    x = 511,925,205,364.69/985,965.41
  6. Step 6: Final answer
    x = 519,212.14

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1.5x scale

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.