Home / 570,102.82-786,688.32-385,966.83

Finding the Fourth Proportional to 570,102.82, 786,688.32 and 385,966.83

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Solution

The fourth proportional to 570,102.82, 786,688.32 and 385,966.83 is: 532,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,102.82 : 786,688.32 = 385,966.83 : x
  2. Step 2: Convert to fraction form
    570,102.82/786,688.32 = 385,966.83/x
  3. Step 3: Cross multiply
    570,102.82x = 786,688.32 × 385,966.83
  4. Step 4: Simplify right side
    570,102.82x = 303,635,593,134.98
  5. Step 5: Solve for x
    x = 303,635,593,134.98/570,102.82
  6. Step 6: Final answer
    x = 532,597.95

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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.