Home / 579,981.30-870,310.65-242,993.16

Finding the Fourth Proportional to 579,981.30, 870,310.65 and 242,993.16

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Solution

The fourth proportional to 579,981.30, 870,310.65 and 242,993.16 is: 364,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,981.30 : 870,310.65 = 242,993.16 : x
  2. Step 2: Convert to fraction form
    579,981.30/870,310.65 = 242,993.16/x
  3. Step 3: Cross multiply
    579,981.30x = 870,310.65 × 242,993.16
  4. Step 4: Simplify right side
    579,981.30x = 211,479,535,025.15
  5. Step 5: Solve for x
    x = 211,479,535,025.15/579,981.30
  6. Step 6: Final answer
    x = 364,631.64

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Double scale
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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.