Home / 854,463.77-1,282,326.45-405,186.15

Finding the Fourth Proportional to 854,463.77, 1,282,326.45 and 405,186.15

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Solution

The fourth proportional to 854,463.77, 1,282,326.45 and 405,186.15 is: 608,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,463.77 : 1,282,326.45 = 405,186.15 : x
  2. Step 2: Convert to fraction form
    854,463.77/1,282,326.45 = 405,186.15/x
  3. Step 3: Cross multiply
    854,463.77x = 1,282,326.45 × 405,186.15
  4. Step 4: Simplify right side
    854,463.77x = 519,580,917,318.67
  5. Step 5: Solve for x
    x = 519,580,917,318.67/854,463.77
  6. Step 6: Final answer
    x = 608,078.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.