Home / 719,145.86-1,077,960.48-239,245.48

Finding the Fourth Proportional to 719,145.86, 1,077,960.48 and 239,245.48

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Solution

The fourth proportional to 719,145.86, 1,077,960.48 and 239,245.48 is: 358,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,145.86 : 1,077,960.48 = 239,245.48 : x
  2. Step 2: Convert to fraction form
    719,145.86/1,077,960.48 = 239,245.48/x
  3. Step 3: Cross multiply
    719,145.86x = 1,077,960.48 × 239,245.48
  4. Step 4: Simplify right side
    719,145.86x = 257,897,172,458.63
  5. Step 5: Solve for x
    x = 257,897,172,458.63/719,145.86
  6. Step 6: Final answer
    x = 358,615.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.