Home / 570,102.20-786,687.45-385,966.19

Finding the Fourth Proportional to 570,102.20, 786,687.45 and 385,966.19

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Solution

The fourth proportional to 570,102.20, 786,687.45 and 385,966.19 is: 532,597.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,102.20 : 786,687.45 = 385,966.19 : x
  2. Step 2: Convert to fraction form
    570,102.20/786,687.45 = 385,966.19/x
  3. Step 3: Cross multiply
    570,102.20x = 786,687.45 × 385,966.19
  4. Step 4: Simplify right side
    570,102.20x = 303,634,757,797.32
  5. Step 5: Solve for x
    x = 303,634,757,797.32/570,102.20
  6. Step 6: Final answer
    x = 532,597.06

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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.