Home / 815,194.02-1,125,127.32-520,654.52

Finding the Fourth Proportional to 815,194.02, 1,125,127.32 and 520,654.52

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Solution

The fourth proportional to 815,194.02, 1,125,127.32 and 520,654.52 is: 718,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,194.02 : 1,125,127.32 = 520,654.52 : x
  2. Step 2: Convert to fraction form
    815,194.02/1,125,127.32 = 520,654.52/x
  3. Step 3: Cross multiply
    815,194.02x = 1,125,127.32 × 520,654.52
  4. Step 4: Simplify right side
    815,194.02x = 585,802,624,733.49
  5. Step 5: Solve for x
    x = 585,802,624,733.49/815,194.02
  6. Step 6: Final answer
    x = 718,605.15

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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.