Home / 811,187.78-1,119,100.87-466,941.33

Finding the Fourth Proportional to 811,187.78, 1,119,100.87 and 466,941.33

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Solution

The fourth proportional to 811,187.78, 1,119,100.87 and 466,941.33 is: 644,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,187.78 : 1,119,100.87 = 466,941.33 : x
  2. Step 2: Convert to fraction form
    811,187.78/1,119,100.87 = 466,941.33/x
  3. Step 3: Cross multiply
    811,187.78x = 1,119,100.87 × 466,941.33
  4. Step 4: Simplify right side
    811,187.78x = 522,554,448,641.96
  5. Step 5: Solve for x
    x = 522,554,448,641.96/811,187.78
  6. Step 6: Final answer
    x = 644,184.32

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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.