Home / 886,420.19-1,329,435.84-255,196.91

Finding the Fourth Proportional to 886,420.19, 1,329,435.84 and 255,196.91

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Solution

The fourth proportional to 886,420.19, 1,329,435.84 and 255,196.91 is: 382,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,420.19 : 1,329,435.84 = 255,196.91 : x
  2. Step 2: Convert to fraction form
    886,420.19/1,329,435.84 = 255,196.91/x
  3. Step 3: Cross multiply
    886,420.19x = 1,329,435.84 × 255,196.91
  4. Step 4: Simplify right side
    886,420.19x = 339,267,918,411.25
  5. Step 5: Solve for x
    x = 339,267,918,411.25/886,420.19
  6. Step 6: Final answer
    x = 382,739.39

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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.