Home / 722,192.34-996,613.25-399,895.51

Finding the Fourth Proportional to 722,192.34, 996,613.25 and 399,895.51

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Solution

The fourth proportional to 722,192.34, 996,613.25 and 399,895.51 is: 551,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,192.34 : 996,613.25 = 399,895.51 : x
  2. Step 2: Convert to fraction form
    722,192.34/996,613.25 = 399,895.51/x
  3. Step 3: Cross multiply
    722,192.34x = 996,613.25 × 399,895.51
  4. Step 4: Simplify right side
    722,192.34x = 398,541,163,881.51
  5. Step 5: Solve for x
    x = 398,541,163,881.51/722,192.34
  6. Step 6: Final answer
    x = 551,849.06

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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.