Home / 865,543.08-1,298,151.54-234,373.80

Finding the Fourth Proportional to 865,543.08, 1,298,151.54 and 234,373.80

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Solution

The fourth proportional to 865,543.08, 1,298,151.54 and 234,373.80 is: 351,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,543.08 : 1,298,151.54 = 234,373.80 : x
  2. Step 2: Convert to fraction form
    865,543.08/1,298,151.54 = 234,373.80/x
  3. Step 3: Cross multiply
    865,543.08x = 1,298,151.54 × 234,373.80
  4. Step 4: Simplify right side
    865,543.08x = 304,252,709,405.65
  5. Step 5: Solve for x
    x = 304,252,709,405.65/865,543.08
  6. Step 6: Final answer
    x = 351,516.54

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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.