Home / 684,831-945,070.02-383,025

Finding the Fourth Proportional to 684,831, 945,070.02 and 383,025

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Solution

The fourth proportional to 684,831, 945,070.02 and 383,025 is: 528,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,831 : 945,070.02 = 383,025 : x
  2. Step 2: Convert to fraction form
    684,831/945,070.02 = 383,025/x
  3. Step 3: Cross multiply
    684,831x = 945,070.02 × 383,025
  4. Step 4: Simplify right side
    684,831x = 361,985,444,410.50
  5. Step 5: Solve for x
    x = 361,985,444,410.50/684,831
  6. Step 6: Final answer
    x = 528,576.31

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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.