Home / 822,113.74-1,133,484.60-628,758.64

Finding the Fourth Proportional to 822,113.74, 1,133,484.60 and 628,758.64

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Solution

The fourth proportional to 822,113.74, 1,133,484.60 and 628,758.64 is: 866,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,113.74 : 1,133,484.60 = 628,758.64 : x
  2. Step 2: Convert to fraction form
    822,113.74/1,133,484.60 = 628,758.64/x
  3. Step 3: Cross multiply
    822,113.74x = 1,133,484.60 × 628,758.64
  4. Step 4: Simplify right side
    822,113.74x = 712,688,235,556.94
  5. Step 5: Solve for x
    x = 712,688,235,556.94/822,113.74
  6. Step 6: Final answer
    x = 866,897.37

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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.