Home / 832,385.71-1,248,101.64-255,858.85

Finding the Fourth Proportional to 832,385.71, 1,248,101.64 and 255,858.85

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Solution

The fourth proportional to 832,385.71, 1,248,101.64 and 255,858.85 is: 383,641.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,385.71 : 1,248,101.64 = 255,858.85 : x
  2. Step 2: Convert to fraction form
    832,385.71/1,248,101.64 = 255,858.85/x
  3. Step 3: Cross multiply
    832,385.71x = 1,248,101.64 × 255,858.85
  4. Step 4: Simplify right side
    832,385.71x = 319,337,850,293.51
  5. Step 5: Solve for x
    x = 319,337,850,293.51/832,385.71
  6. Step 6: Final answer
    x = 383,641.68

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1.5x scale

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.