Home / 986,599.08-1,361,072.52-578,493.72

Finding the Fourth Proportional to 986,599.08, 1,361,072.52 and 578,493.72

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Solution

The fourth proportional to 986,599.08, 1,361,072.52 and 578,493.72 is: 798,066.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,599.08 : 1,361,072.52 = 578,493.72 : x
  2. Step 2: Convert to fraction form
    986,599.08/1,361,072.52 = 578,493.72/x
  3. Step 3: Cross multiply
    986,599.08x = 1,361,072.52 × 578,493.72
  4. Step 4: Simplify right side
    986,599.08x = 787,371,905,284.57
  5. Step 5: Solve for x
    x = 787,371,905,284.57/986,599.08
  6. Step 6: Final answer
    x = 798,066.73

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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.