Home / 684,018.52-943,943.58-382,212.76

Finding the Fourth Proportional to 684,018.52, 943,943.58 and 382,212.76

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Solution

The fourth proportional to 684,018.52, 943,943.58 and 382,212.76 is: 527,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,018.52 : 943,943.58 = 382,212.76 : x
  2. Step 2: Convert to fraction form
    684,018.52/943,943.58 = 382,212.76/x
  3. Step 3: Cross multiply
    684,018.52x = 943,943.58 × 382,212.76
  4. Step 4: Simplify right side
    684,018.52x = 360,787,280,996.08
  5. Step 5: Solve for x
    x = 360,787,280,996.08/684,018.52
  6. Step 6: Final answer
    x = 527,452.50

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Half scale
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Double scale
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Similar ratio
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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.