Home / 819,064.40-1,228,596.60-808,566.80

Finding the Fourth Proportional to 819,064.40, 1,228,596.60 and 808,566.80

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Solution

The fourth proportional to 819,064.40, 1,228,596.60 and 808,566.80 is: 1,212,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,064.40 : 1,228,596.60 = 808,566.80 : x
  2. Step 2: Convert to fraction form
    819,064.40/1,228,596.60 = 808,566.80/x
  3. Step 3: Cross multiply
    819,064.40x = 1,228,596.60 × 808,566.80
  4. Step 4: Simplify right side
    819,064.40x = 993,402,421,352.88
  5. Step 5: Solve for x
    x = 993,402,421,352.88/819,064.40
  6. Step 6: Final answer
    x = 1,212,850.20

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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.