Home / 914,514.30-1,261,968.66-506,588.58

Finding the Fourth Proportional to 914,514.30, 1,261,968.66 and 506,588.58

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Solution

The fourth proportional to 914,514.30, 1,261,968.66 and 506,588.58 is: 699,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,514.30 : 1,261,968.66 = 506,588.58 : x
  2. Step 2: Convert to fraction form
    914,514.30/1,261,968.66 = 506,588.58/x
  3. Step 3: Cross multiply
    914,514.30x = 1,261,968.66 × 506,588.58
  4. Step 4: Simplify right side
    914,514.30x = 639,298,911,473.90
  5. Step 5: Solve for x
    x = 639,298,911,473.90/914,514.30
  6. Step 6: Final answer
    x = 699,058.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.