Home / 582,557.60-872,086.80-345,778.40

Finding the Fourth Proportional to 582,557.60, 872,086.80 and 345,778.40

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Solution

The fourth proportional to 582,557.60, 872,086.80 and 345,778.40 is: 517,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,557.60 : 872,086.80 = 345,778.40 : x
  2. Step 2: Convert to fraction form
    582,557.60/872,086.80 = 345,778.40/x
  3. Step 3: Cross multiply
    582,557.60x = 872,086.80 × 345,778.40
  4. Step 4: Simplify right side
    582,557.60x = 301,548,778,365.12
  5. Step 5: Solve for x
    x = 301,548,778,365.12/582,557.60
  6. Step 6: Final answer
    x = 517,629.12

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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.