Home / 526,986.47-790,361.45-242,403.70

Finding the Fourth Proportional to 526,986.47, 790,361.45 and 242,403.70

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Solution

The fourth proportional to 526,986.47, 790,361.45 and 242,403.70 is: 363,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,986.47 : 790,361.45 = 242,403.70 : x
  2. Step 2: Convert to fraction form
    526,986.47/790,361.45 = 242,403.70/x
  3. Step 3: Cross multiply
    526,986.47x = 790,361.45 × 242,403.70
  4. Step 4: Simplify right side
    526,986.47x = 191,586,540,131.83
  5. Step 5: Solve for x
    x = 191,586,540,131.83/526,986.47
  6. Step 6: Final answer
    x = 363,551.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.