Home / 840,536.73-1,159,935.10-477,960.61

Finding the Fourth Proportional to 840,536.73, 1,159,935.10 and 477,960.61

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Solution

The fourth proportional to 840,536.73, 1,159,935.10 and 477,960.61 is: 659,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,536.73 : 1,159,935.10 = 477,960.61 : x
  2. Step 2: Convert to fraction form
    840,536.73/1,159,935.10 = 477,960.61/x
  3. Step 3: Cross multiply
    840,536.73x = 1,159,935.10 × 477,960.61
  4. Step 4: Simplify right side
    840,536.73x = 554,403,287,956.41
  5. Step 5: Solve for x
    x = 554,403,287,956.41/840,536.73
  6. Step 6: Final answer
    x = 659,582.46

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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.