Home / 749,881.94-1,034,811.35-427,695.83

Finding the Fourth Proportional to 749,881.94, 1,034,811.35 and 427,695.83

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Solution

The fourth proportional to 749,881.94, 1,034,811.35 and 427,695.83 is: 590,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,881.94 : 1,034,811.35 = 427,695.83 : x
  2. Step 2: Convert to fraction form
    749,881.94/1,034,811.35 = 427,695.83/x
  3. Step 3: Cross multiply
    749,881.94x = 1,034,811.35 × 427,695.83
  4. Step 4: Simplify right side
    749,881.94x = 442,584,497,403.54
  5. Step 5: Solve for x
    x = 442,584,497,403.54/749,881.94
  6. Step 6: Final answer
    x = 590,205.57

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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.