Home / 916,986.91-1,375,037.96-384,364.93

Finding the Fourth Proportional to 916,986.91, 1,375,037.96 and 384,364.93

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Solution

The fourth proportional to 916,986.91, 1,375,037.96 and 384,364.93 is: 576,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,986.91 : 1,375,037.96 = 384,364.93 : x
  2. Step 2: Convert to fraction form
    916,986.91/1,375,037.96 = 384,364.93/x
  3. Step 3: Cross multiply
    916,986.91x = 1,375,037.96 × 384,364.93
  4. Step 4: Simplify right side
    916,986.91x = 528,516,369,242.74
  5. Step 5: Solve for x
    x = 528,516,369,242.74/916,986.91
  6. Step 6: Final answer
    x = 576,361.96

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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.