Home / 380,319.20-524,675.68-229,332.32

Finding the Fourth Proportional to 380,319.20, 524,675.68 and 229,332.32

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Solution

The fourth proportional to 380,319.20, 524,675.68 and 229,332.32 is: 316,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,319.20 : 524,675.68 = 229,332.32 : x
  2. Step 2: Convert to fraction form
    380,319.20/524,675.68 = 229,332.32/x
  3. Step 3: Cross multiply
    380,319.20x = 524,675.68 × 229,332.32
  4. Step 4: Simplify right side
    380,319.20x = 120,325,090,941.98
  5. Step 5: Solve for x
    x = 120,325,090,941.98/380,319.20
  6. Step 6: Final answer
    x = 316,379.22

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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.