Home / 530,921.40-796,382.10-156,944.40

Finding the Fourth Proportional to 530,921.40, 796,382.10 and 156,944.40

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Solution

The fourth proportional to 530,921.40, 796,382.10 and 156,944.40 is: 235,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,921.40 : 796,382.10 = 156,944.40 : x
  2. Step 2: Convert to fraction form
    530,921.40/796,382.10 = 156,944.40/x
  3. Step 3: Cross multiply
    530,921.40x = 796,382.10 × 156,944.40
  4. Step 4: Simplify right side
    530,921.40x = 124,987,710,855.24
  5. Step 5: Solve for x
    x = 124,987,710,855.24/530,921.40
  6. Step 6: Final answer
    x = 235,416.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.