Home / 536,300.76-739,642.68-383,055.24

Finding the Fourth Proportional to 536,300.76, 739,642.68 and 383,055.24

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Solution

The fourth proportional to 536,300.76, 739,642.68 and 383,055.24 is: 528,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,300.76 : 739,642.68 = 383,055.24 : x
  2. Step 2: Convert to fraction form
    536,300.76/739,642.68 = 383,055.24/x
  3. Step 3: Cross multiply
    536,300.76x = 739,642.68 × 383,055.24
  4. Step 4: Simplify right side
    536,300.76x = 283,324,004,301.64
  5. Step 5: Solve for x
    x = 283,324,004,301.64/536,300.76
  6. Step 6: Final answer
    x = 528,293.12

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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.