Home / 356,037.45-533,214.18-309,036.39

Finding the Fourth Proportional to 356,037.45, 533,214.18 and 309,036.39

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Solution

The fourth proportional to 356,037.45, 533,214.18 and 309,036.39 is: 462,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,037.45 : 533,214.18 = 309,036.39 : x
  2. Step 2: Convert to fraction form
    356,037.45/533,214.18 = 309,036.39/x
  3. Step 3: Cross multiply
    356,037.45x = 533,214.18 × 309,036.39
  4. Step 4: Simplify right side
    356,037.45x = 164,782,585,284.01
  5. Step 5: Solve for x
    x = 164,782,585,284.01/356,037.45
  6. Step 6: Final answer
    x = 462,823.74

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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.