Home / 860,455.39-1,187,678.75-573,974.79

Finding the Fourth Proportional to 860,455.39, 1,187,678.75 and 573,974.79

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Solution

The fourth proportional to 860,455.39, 1,187,678.75 and 573,974.79 is: 792,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,455.39 : 1,187,678.75 = 573,974.79 : x
  2. Step 2: Convert to fraction form
    860,455.39/1,187,678.75 = 573,974.79/x
  3. Step 3: Cross multiply
    860,455.39x = 1,187,678.75 × 573,974.79
  4. Step 4: Simplify right side
    860,455.39x = 681,697,661,118.71
  5. Step 5: Solve for x
    x = 681,697,661,118.71/860,455.39
  6. Step 6: Final answer
    x = 792,252.18

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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.