Home / 777,414.33-1,072,465.08-454,924.77

Finding the Fourth Proportional to 777,414.33, 1,072,465.08 and 454,924.77

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Solution

The fourth proportional to 777,414.33, 1,072,465.08 and 454,924.77 is: 627,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,414.33 : 1,072,465.08 = 454,924.77 : x
  2. Step 2: Convert to fraction form
    777,414.33/1,072,465.08 = 454,924.77/x
  3. Step 3: Cross multiply
    777,414.33x = 1,072,465.08 × 454,924.77
  4. Step 4: Simplify right side
    777,414.33x = 487,890,929,852.03
  5. Step 5: Solve for x
    x = 487,890,929,852.03/777,414.33
  6. Step 6: Final answer
    x = 627,581.60

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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.