Home / 438,078.96-604,535.40-247,089.60

Finding the Fourth Proportional to 438,078.96, 604,535.40 and 247,089.60

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Solution

The fourth proportional to 438,078.96, 604,535.40 and 247,089.60 is: 340,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,078.96 : 604,535.40 = 247,089.60 : x
  2. Step 2: Convert to fraction form
    438,078.96/604,535.40 = 247,089.60/x
  3. Step 3: Cross multiply
    438,078.96x = 604,535.40 × 247,089.60
  4. Step 4: Simplify right side
    438,078.96x = 149,374,410,171.84
  5. Step 5: Solve for x
    x = 149,374,410,171.84/438,078.96
  6. Step 6: Final answer
    x = 340,976.00

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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.