Home / 780,191.92-1,076,368.09-576,731.23

Finding the Fourth Proportional to 780,191.92, 1,076,368.09 and 576,731.23

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Solution

The fourth proportional to 780,191.92, 1,076,368.09 and 576,731.23 is: 795,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,191.92 : 1,076,368.09 = 576,731.23 : x
  2. Step 2: Convert to fraction form
    780,191.92/1,076,368.09 = 576,731.23/x
  3. Step 3: Cross multiply
    780,191.92x = 1,076,368.09 × 576,731.23
  4. Step 4: Simplify right side
    780,191.92x = 620,775,092,478.45
  5. Step 5: Solve for x
    x = 620,775,092,478.45/780,191.92
  6. Step 6: Final answer
    x = 795,669.73

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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.