Home / 896,425.86-1,237,067.70-494,017.86

Finding the Fourth Proportional to 896,425.86, 1,237,067.70 and 494,017.86

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Solution

The fourth proportional to 896,425.86, 1,237,067.70 and 494,017.86 is: 681,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,425.86 : 1,237,067.70 = 494,017.86 : x
  2. Step 2: Convert to fraction form
    896,425.86/1,237,067.70 = 494,017.86/x
  3. Step 3: Cross multiply
    896,425.86x = 1,237,067.70 × 494,017.86
  4. Step 4: Simplify right side
    896,425.86x = 611,133,537,829.12
  5. Step 5: Solve for x
    x = 611,133,537,829.12/896,425.86
  6. Step 6: Final answer
    x = 681,744.65

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Double scale
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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.