Home / 351,402.10-484,465.91-263,816.40

Finding the Fourth Proportional to 351,402.10, 484,465.91 and 263,816.40

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Solution

The fourth proportional to 351,402.10, 484,465.91 and 263,816.40 is: 363,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,402.10 : 484,465.91 = 263,816.40 : x
  2. Step 2: Convert to fraction form
    351,402.10/484,465.91 = 263,816.40/x
  3. Step 3: Cross multiply
    351,402.10x = 484,465.91 × 263,816.40
  4. Step 4: Simplify right side
    351,402.10x = 127,810,051,410.41
  5. Step 5: Solve for x
    x = 127,810,051,410.41/351,402.10
  6. Step 6: Final answer
    x = 363,714.54

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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.