Home / 835,383.80-1,152,830.70-453,410.60

Finding the Fourth Proportional to 835,383.80, 1,152,830.70 and 453,410.60

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Solution

The fourth proportional to 835,383.80, 1,152,830.70 and 453,410.60 is: 625,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,383.80 : 1,152,830.70 = 453,410.60 : x
  2. Step 2: Convert to fraction form
    835,383.80/1,152,830.70 = 453,410.60/x
  3. Step 3: Cross multiply
    835,383.80x = 1,152,830.70 × 453,410.60
  4. Step 4: Simplify right side
    835,383.80x = 522,705,659,385.42
  5. Step 5: Solve for x
    x = 522,705,659,385.42/835,383.80
  6. Step 6: Final answer
    x = 625,707.20

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Double scale
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Similar ratio
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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.