Home / 684,824.83-945,053.12-383,018.83

Finding the Fourth Proportional to 684,824.83, 945,053.12 and 383,018.83

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Solution

The fourth proportional to 684,824.83, 945,053.12 and 383,018.83 is: 528,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,824.83 : 945,053.12 = 383,018.83 : x
  2. Step 2: Convert to fraction form
    684,824.83/945,053.12 = 383,018.83/x
  3. Step 3: Cross multiply
    684,824.83x = 945,053.12 × 383,018.83
  4. Step 4: Simplify right side
    684,824.83x = 361,973,138,905.16
  5. Step 5: Solve for x
    x = 361,973,138,905.16/684,824.83
  6. Step 6: Final answer
    x = 528,563.11

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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.