Home / 836,720.80-1,254,206.40-457,057.60

Finding the Fourth Proportional to 836,720.80, 1,254,206.40 and 457,057.60

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Solution

The fourth proportional to 836,720.80, 1,254,206.40 and 457,057.60 is: 685,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,720.80 : 1,254,206.40 = 457,057.60 : x
  2. Step 2: Convert to fraction form
    836,720.80/1,254,206.40 = 457,057.60/x
  3. Step 3: Cross multiply
    836,720.80x = 1,254,206.40 × 457,057.60
  4. Step 4: Simplify right side
    836,720.80x = 573,244,567,088.64
  5. Step 5: Solve for x
    x = 573,244,567,088.64/836,720.80
  6. Step 6: Final answer
    x = 685,108.54

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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.