Home / 526,724.83-726,877.93-285,011.66

Finding the Fourth Proportional to 526,724.83, 726,877.93 and 285,011.66

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Solution

The fourth proportional to 526,724.83, 726,877.93 and 285,011.66 is: 393,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,724.83 : 726,877.93 = 285,011.66 : x
  2. Step 2: Convert to fraction form
    526,724.83/726,877.93 = 285,011.66/x
  3. Step 3: Cross multiply
    526,724.83x = 726,877.93 × 285,011.66
  4. Step 4: Simplify right side
    526,724.83x = 207,168,686,284.13
  5. Step 5: Solve for x
    x = 207,168,686,284.13/526,724.83
  6. Step 6: Final answer
    x = 393,314.83

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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.