Home / 405,496.49-559,562.80-224,196.46

Finding the Fourth Proportional to 405,496.49, 559,562.80 and 224,196.46

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Solution

The fourth proportional to 405,496.49, 559,562.80 and 224,196.46 is: 309,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,496.49 : 559,562.80 = 224,196.46 : x
  2. Step 2: Convert to fraction form
    405,496.49/559,562.80 = 224,196.46/x
  3. Step 3: Cross multiply
    405,496.49x = 559,562.80 × 224,196.46
  4. Step 4: Simplify right side
    405,496.49x = 125,451,996,948.29
  5. Step 5: Solve for x
    x = 125,451,996,948.29/405,496.49
  6. Step 6: Final answer
    x = 309,378.75

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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.