Home / 526,818.54-727,009.66-285,101.18

Finding the Fourth Proportional to 526,818.54, 727,009.66 and 285,101.18

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Solution

The fourth proportional to 526,818.54, 727,009.66 and 285,101.18 is: 393,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,818.54 : 727,009.66 = 285,101.18 : x
  2. Step 2: Convert to fraction form
    526,818.54/727,009.66 = 285,101.18/x
  3. Step 3: Cross multiply
    526,818.54x = 727,009.66 × 285,101.18
  4. Step 4: Simplify right side
    526,818.54x = 207,271,311,937.40
  5. Step 5: Solve for x
    x = 207,271,311,937.40/526,818.54
  6. Step 6: Final answer
    x = 393,439.67

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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.