Home / 538,961.40-808,514.10-183,886.20

Finding the Fourth Proportional to 538,961.40, 808,514.10 and 183,886.20

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Solution

The fourth proportional to 538,961.40, 808,514.10 and 183,886.20 is: 275,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,961.40 : 808,514.10 = 183,886.20 : x
  2. Step 2: Convert to fraction form
    538,961.40/808,514.10 = 183,886.20/x
  3. Step 3: Cross multiply
    538,961.40x = 808,514.10 × 183,886.20
  4. Step 4: Simplify right side
    538,961.40x = 148,674,585,495.42
  5. Step 5: Solve for x
    x = 148,674,585,495.42/538,961.40
  6. Step 6: Final answer
    x = 275,853.87

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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.