Home / 816,840.54-1,127,074.50-477,243.18

Finding the Fourth Proportional to 816,840.54, 1,127,074.50 and 477,243.18

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Solution

The fourth proportional to 816,840.54, 1,127,074.50 and 477,243.18 is: 658,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,840.54 : 1,127,074.50 = 477,243.18 : x
  2. Step 2: Convert to fraction form
    816,840.54/1,127,074.50 = 477,243.18/x
  3. Step 3: Cross multiply
    816,840.54x = 1,127,074.50 × 477,243.18
  4. Step 4: Simplify right side
    816,840.54x = 537,888,618,476.91
  5. Step 5: Solve for x
    x = 537,888,618,476.91/816,840.54
  6. Step 6: Final answer
    x = 658,498.93

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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.