Home / 889,684.08-1,228,063.46-540,823.29

Finding the Fourth Proportional to 889,684.08, 1,228,063.46 and 540,823.29

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Solution

The fourth proportional to 889,684.08, 1,228,063.46 and 540,823.29 is: 746,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,684.08 : 1,228,063.46 = 540,823.29 : x
  2. Step 2: Convert to fraction form
    889,684.08/1,228,063.46 = 540,823.29/x
  3. Step 3: Cross multiply
    889,684.08x = 1,228,063.46 × 540,823.29
  4. Step 4: Simplify right side
    889,684.08x = 664,165,318,061.87
  5. Step 5: Solve for x
    x = 664,165,318,061.87/889,684.08
  6. Step 6: Final answer
    x = 746,518.16

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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.