Home / 687,933.35-949,316.07-382,029.11

Finding the Fourth Proportional to 687,933.35, 949,316.07 and 382,029.11

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Solution

The fourth proportional to 687,933.35, 949,316.07 and 382,029.11 is: 527,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,933.35 : 949,316.07 = 382,029.11 : x
  2. Step 2: Convert to fraction form
    687,933.35/949,316.07 = 382,029.11/x
  3. Step 3: Cross multiply
    687,933.35x = 949,316.07 × 382,029.11
  4. Step 4: Simplify right side
    687,933.35x = 362,666,368,584.22
  5. Step 5: Solve for x
    x = 362,666,368,584.22/687,933.35
  6. Step 6: Final answer
    x = 527,182.42

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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.