Home / 1,284,990-1,773,325.08-711,976.56

Finding the Fourth Proportional to 1,284,990, 1,773,325.08 and 711,976.56

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Solution

The fourth proportional to 1,284,990, 1,773,325.08 and 711,976.56 is: 982,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,990 : 1,773,325.08 = 711,976.56 : x
  2. Step 2: Convert to fraction form
    1,284,990/1,773,325.08 = 711,976.56/x
  3. Step 3: Cross multiply
    1,284,990x = 1,773,325.08 × 711,976.56
  4. Step 4: Simplify right side
    1,284,990x = 1,262,565,890,220.13
  5. Step 5: Solve for x
    x = 1,262,565,890,220.13/1,284,990
  6. Step 6: Final answer
    x = 982,549.20

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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.