Home / 684,185.95-944,148.72-378,242.86

Finding the Fourth Proportional to 684,185.95, 944,148.72 and 378,242.86

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Solution

The fourth proportional to 684,185.95, 944,148.72 and 378,242.86 is: 521,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,185.95 : 944,148.72 = 378,242.86 : x
  2. Step 2: Convert to fraction form
    684,185.95/944,148.72 = 378,242.86/x
  3. Step 3: Cross multiply
    684,185.95x = 944,148.72 × 378,242.86
  4. Step 4: Simplify right side
    684,185.95x = 357,117,512,118.14
  5. Step 5: Solve for x
    x = 357,117,512,118.14/684,185.95
  6. Step 6: Final answer
    x = 521,959.73

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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.