Home / 819,058.30-1,130,306.06-456,505.52

Finding the Fourth Proportional to 819,058.30, 1,130,306.06 and 456,505.52

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Solution

The fourth proportional to 819,058.30, 1,130,306.06 and 456,505.52 is: 629,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,058.30 : 1,130,306.06 = 456,505.52 : x
  2. Step 2: Convert to fraction form
    819,058.30/1,130,306.06 = 456,505.52/x
  3. Step 3: Cross multiply
    819,058.30x = 1,130,306.06 × 456,505.52
  4. Step 4: Simplify right side
    819,058.30x = 515,990,951,169.19
  5. Step 5: Solve for x
    x = 515,990,951,169.19/819,058.30
  6. Step 6: Final answer
    x = 629,980.74

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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.