Home / 526,027.60-789,430.20-348,475.60

Finding the Fourth Proportional to 526,027.60, 789,430.20 and 348,475.60

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Solution

The fourth proportional to 526,027.60, 789,430.20 and 348,475.60 is: 522,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,027.60 : 789,430.20 = 348,475.60 : x
  2. Step 2: Convert to fraction form
    526,027.60/789,430.20 = 348,475.60/x
  3. Step 3: Cross multiply
    526,027.60x = 789,430.20 × 348,475.60
  4. Step 4: Simplify right side
    526,027.60x = 275,097,162,603.12
  5. Step 5: Solve for x
    x = 275,097,162,603.12/526,027.60
  6. Step 6: Final answer
    x = 522,970.97

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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.