Home / 480,095.21-720,594.75-243,607.61

Finding the Fourth Proportional to 480,095.21, 720,594.75 and 243,607.61

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Solution

The fourth proportional to 480,095.21, 720,594.75 and 243,607.61 is: 365,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,095.21 : 720,594.75 = 243,607.61 : x
  2. Step 2: Convert to fraction form
    480,095.21/720,594.75 = 243,607.61/x
  3. Step 3: Cross multiply
    480,095.21x = 720,594.75 × 243,607.61
  4. Step 4: Simplify right side
    480,095.21x = 175,542,364,826.05
  5. Step 5: Solve for x
    x = 175,542,364,826.05/480,095.21
  6. Step 6: Final answer
    x = 365,640.73

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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.