Home / 590,386.78-885,514.56-211,292.20

Finding the Fourth Proportional to 590,386.78, 885,514.56 and 211,292.20

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Solution

The fourth proportional to 590,386.78, 885,514.56 and 211,292.20 is: 316,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,386.78 : 885,514.56 = 211,292.20 : x
  2. Step 2: Convert to fraction form
    590,386.78/885,514.56 = 211,292.20/x
  3. Step 3: Cross multiply
    590,386.78x = 885,514.56 × 211,292.20
  4. Step 4: Simplify right side
    590,386.78x = 187,102,319,514.43
  5. Step 5: Solve for x
    x = 187,102,319,514.43/590,386.78
  6. Step 6: Final answer
    x = 316,914.82

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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.