Home / 526,811.58-726,999.93-285,094.15

Finding the Fourth Proportional to 526,811.58, 726,999.93 and 285,094.15

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Solution

The fourth proportional to 526,811.58, 726,999.93 and 285,094.15 is: 393,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,811.58 : 726,999.93 = 285,094.15 : x
  2. Step 2: Convert to fraction form
    526,811.58/726,999.93 = 285,094.15/x
  3. Step 3: Cross multiply
    526,811.58x = 726,999.93 × 285,094.15
  4. Step 4: Simplify right side
    526,811.58x = 207,263,425,275.91
  5. Step 5: Solve for x
    x = 207,263,425,275.91/526,811.58
  6. Step 6: Final answer
    x = 393,429.90

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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.