Home / 526,727.84-726,878.96-285,005.08

Finding the Fourth Proportional to 526,727.84, 726,878.96 and 285,005.08

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Solution

The fourth proportional to 526,727.84, 726,878.96 and 285,005.08 is: 393,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,727.84 : 726,878.96 = 285,005.08 : x
  2. Step 2: Convert to fraction form
    526,727.84/726,878.96 = 285,005.08/x
  3. Step 3: Cross multiply
    526,727.84x = 726,878.96 × 285,005.08
  4. Step 4: Simplify right side
    526,727.84x = 207,164,196,145.12
  5. Step 5: Solve for x
    x = 207,164,196,145.12/526,727.84
  6. Step 6: Final answer
    x = 393,304.06

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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.