Home / 638,719.10-958,041.04-239,326.44

Finding the Fourth Proportional to 638,719.10, 958,041.04 and 239,326.44

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Solution

The fourth proportional to 638,719.10, 958,041.04 and 239,326.44 is: 358,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,719.10 : 958,041.04 = 239,326.44 : x
  2. Step 2: Convert to fraction form
    638,719.10/958,041.04 = 239,326.44/x
  3. Step 3: Cross multiply
    638,719.10x = 958,041.04 × 239,326.44
  4. Step 4: Simplify right side
    638,719.10x = 229,284,545,490.26
  5. Step 5: Solve for x
    x = 229,284,545,490.26/638,719.10
  6. Step 6: Final answer
    x = 358,975.56

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1.5x scale

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.