Home / 684,253.82-944,232.18-378,312.50

Finding the Fourth Proportional to 684,253.82, 944,232.18 and 378,312.50

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Solution

The fourth proportional to 684,253.82, 944,232.18 and 378,312.50 is: 522,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,253.82 : 944,232.18 = 378,312.50 : x
  2. Step 2: Convert to fraction form
    684,253.82/944,232.18 = 378,312.50/x
  3. Step 3: Cross multiply
    684,253.82x = 944,232.18 × 378,312.50
  4. Step 4: Simplify right side
    684,253.82x = 357,214,836,596.25
  5. Step 5: Solve for x
    x = 357,214,836,596.25/684,253.82
  6. Step 6: Final answer
    x = 522,050.19

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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.