Home / 684,044.64-943,979.28-382,238.64

Finding the Fourth Proportional to 684,044.64, 943,979.28 and 382,238.64

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Solution

The fourth proportional to 684,044.64, 943,979.28 and 382,238.64 is: 527,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,044.64 : 943,979.28 = 382,238.64 : x
  2. Step 2: Convert to fraction form
    684,044.64/943,979.28 = 382,238.64/x
  3. Step 3: Cross multiply
    684,044.64x = 943,979.28 × 382,238.64
  4. Step 4: Simplify right side
    684,044.64x = 360,825,356,175.38
  5. Step 5: Solve for x
    x = 360,825,356,175.38/684,044.64
  6. Step 6: Final answer
    x = 527,488.03

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Double scale
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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.