Home / 816,637.26-1,126,793.70-477,039.90

Finding the Fourth Proportional to 816,637.26, 1,126,793.70 and 477,039.90

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Solution

The fourth proportional to 816,637.26, 1,126,793.70 and 477,039.90 is: 658,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,637.26 : 1,126,793.70 = 477,039.90 : x
  2. Step 2: Convert to fraction form
    816,637.26/1,126,793.70 = 477,039.90/x
  3. Step 3: Cross multiply
    816,637.26x = 1,126,793.70 × 477,039.90
  4. Step 4: Simplify right side
    816,637.26x = 537,525,553,968.63
  5. Step 5: Solve for x
    x = 537,525,553,968.63/816,637.26
  6. Step 6: Final answer
    x = 658,218.26

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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.