Home / 623,013.05-859,758.39-336,533.28

Finding the Fourth Proportional to 623,013.05, 859,758.39 and 336,533.28

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Solution

The fourth proportional to 623,013.05, 859,758.39 and 336,533.28 is: 464,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,013.05 : 859,758.39 = 336,533.28 : x
  2. Step 2: Convert to fraction form
    623,013.05/859,758.39 = 336,533.28/x
  3. Step 3: Cross multiply
    623,013.05x = 859,758.39 × 336,533.28
  4. Step 4: Simplify right side
    623,013.05x = 289,337,310,994.22
  5. Step 5: Solve for x
    x = 289,337,310,994.22/623,013.05
  6. Step 6: Final answer
    x = 464,416.14

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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.