Home / 862,807.84-1,190,324.10-572,556.28

Finding the Fourth Proportional to 862,807.84, 1,190,324.10 and 572,556.28

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Solution

The fourth proportional to 862,807.84, 1,190,324.10 and 572,556.28 is: 789,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,807.84 : 1,190,324.10 = 572,556.28 : x
  2. Step 2: Convert to fraction form
    862,807.84/1,190,324.10 = 572,556.28/x
  3. Step 3: Cross multiply
    862,807.84x = 1,190,324.10 × 572,556.28
  4. Step 4: Simplify right side
    862,807.84x = 681,527,538,690.35
  5. Step 5: Solve for x
    x = 681,527,538,690.35/862,807.84
  6. Step 6: Final answer
    x = 789,894.93

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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.