Home / 808,166.80-1,211,472.60-628,152.40

Finding the Fourth Proportional to 808,166.80, 1,211,472.60 and 628,152.40

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Solution

The fourth proportional to 808,166.80, 1,211,472.60 and 628,152.40 is: 941,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,166.80 : 1,211,472.60 = 628,152.40 : x
  2. Step 2: Convert to fraction form
    808,166.80/1,211,472.60 = 628,152.40/x
  3. Step 3: Cross multiply
    808,166.80x = 1,211,472.60 × 628,152.40
  4. Step 4: Simplify right side
    808,166.80x = 760,989,421,224.24
  5. Step 5: Solve for x
    x = 760,989,421,224.24/808,166.80
  6. Step 6: Final answer
    x = 941,624.21

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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.