Home / 705,836.20-1,057,004.70-452,727.40

Finding the Fourth Proportional to 705,836.20, 1,057,004.70 and 452,727.40

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Solution

The fourth proportional to 705,836.20, 1,057,004.70 and 452,727.40 is: 677,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,836.20 : 1,057,004.70 = 452,727.40 : x
  2. Step 2: Convert to fraction form
    705,836.20/1,057,004.70 = 452,727.40/x
  3. Step 3: Cross multiply
    705,836.20x = 1,057,004.70 × 452,727.40
  4. Step 4: Simplify right side
    705,836.20x = 478,534,989,618.78
  5. Step 5: Solve for x
    x = 478,534,989,618.78/705,836.20
  6. Step 6: Final answer
    x = 677,968.90

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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.