Home / 770,813.20-1,156,219.80-713,076.40

Finding the Fourth Proportional to 770,813.20, 1,156,219.80 and 713,076.40

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Solution

The fourth proportional to 770,813.20, 1,156,219.80 and 713,076.40 is: 1,069,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,813.20 : 1,156,219.80 = 713,076.40 : x
  2. Step 2: Convert to fraction form
    770,813.20/1,156,219.80 = 713,076.40/x
  3. Step 3: Cross multiply
    770,813.20x = 1,156,219.80 × 713,076.40
  4. Step 4: Simplify right side
    770,813.20x = 824,473,052,592.72
  5. Step 5: Solve for x
    x = 824,473,052,592.72/770,813.20
  6. Step 6: Final answer
    x = 1,069,614.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.