Home / 865,514.22-1,298,139.96-304,417.50

Finding the Fourth Proportional to 865,514.22, 1,298,139.96 and 304,417.50

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Solution

The fourth proportional to 865,514.22, 1,298,139.96 and 304,417.50 is: 456,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,514.22 : 1,298,139.96 = 304,417.50 : x
  2. Step 2: Convert to fraction form
    865,514.22/1,298,139.96 = 304,417.50/x
  3. Step 3: Cross multiply
    865,514.22x = 1,298,139.96 × 304,417.50
  4. Step 4: Simplify right side
    865,514.22x = 395,176,521,273.30
  5. Step 5: Solve for x
    x = 395,176,521,273.30/865,514.22
  6. Step 6: Final answer
    x = 456,580.04

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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.