Home / 816,817.38-1,127,042.73-477,220.02

Finding the Fourth Proportional to 816,817.38, 1,127,042.73 and 477,220.02

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Solution

The fourth proportional to 816,817.38, 1,127,042.73 and 477,220.02 is: 658,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,817.38 : 1,127,042.73 = 477,220.02 : x
  2. Step 2: Convert to fraction form
    816,817.38/1,127,042.73 = 477,220.02/x
  3. Step 3: Cross multiply
    816,817.38x = 1,127,042.73 × 477,220.02
  4. Step 4: Simplify right side
    816,817.38x = 537,847,354,151.46
  5. Step 5: Solve for x
    x = 537,847,354,151.46/816,817.38
  6. Step 6: Final answer
    x = 658,467.08

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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.