Home / 671,742.93-926,963.23-369,936.93

Finding the Fourth Proportional to 671,742.93, 926,963.23 and 369,936.93

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Solution

The fourth proportional to 671,742.93, 926,963.23 and 369,936.93 is: 510,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,742.93 : 926,963.23 = 369,936.93 : x
  2. Step 2: Convert to fraction form
    671,742.93/926,963.23 = 369,936.93/x
  3. Step 3: Cross multiply
    671,742.93x = 926,963.23 × 369,936.93
  4. Step 4: Simplify right side
    671,742.93x = 342,917,931,529.08
  5. Step 5: Solve for x
    x = 342,917,931,529.08/671,742.93
  6. Step 6: Final answer
    x = 510,489.83

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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.