Home / 808,185.48-1,114,839.30-505,854.60

Finding the Fourth Proportional to 808,185.48, 1,114,839.30 and 505,854.60

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Solution

The fourth proportional to 808,185.48, 1,114,839.30 and 505,854.60 is: 697,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,185.48 : 1,114,839.30 = 505,854.60 : x
  2. Step 2: Convert to fraction form
    808,185.48/1,114,839.30 = 505,854.60/x
  3. Step 3: Cross multiply
    808,185.48x = 1,114,839.30 × 505,854.60
  4. Step 4: Simplify right side
    808,185.48x = 563,946,588,165.78
  5. Step 5: Solve for x
    x = 563,946,588,165.78/808,185.48
  6. Step 6: Final answer
    x = 697,793.52

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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.