Home / 819,118.90-1,130,247.03-456,463.27

Finding the Fourth Proportional to 819,118.90, 1,130,247.03 and 456,463.27

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Solution

The fourth proportional to 819,118.90, 1,130,247.03 and 456,463.27 is: 629,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,118.90 : 1,130,247.03 = 456,463.27 : x
  2. Step 2: Convert to fraction form
    819,118.90/1,130,247.03 = 456,463.27/x
  3. Step 3: Cross multiply
    819,118.90x = 1,130,247.03 × 456,463.27
  4. Step 4: Simplify right side
    819,118.90x = 515,916,255,221.59
  5. Step 5: Solve for x
    x = 515,916,255,221.59/819,118.90
  6. Step 6: Final answer
    x = 629,842.94

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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.