Home / 805,941.91-1,111,145.70-584,980.57

Finding the Fourth Proportional to 805,941.91, 1,111,145.70 and 584,980.57

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Solution

The fourth proportional to 805,941.91, 1,111,145.70 and 584,980.57 is: 806,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,941.91 : 1,111,145.70 = 584,980.57 : x
  2. Step 2: Convert to fraction form
    805,941.91/1,111,145.70 = 584,980.57/x
  3. Step 3: Cross multiply
    805,941.91x = 1,111,145.70 × 584,980.57
  4. Step 4: Simplify right side
    805,941.91x = 649,998,644,939.05
  5. Step 5: Solve for x
    x = 649,998,644,939.05/805,941.91
  6. Step 6: Final answer
    x = 806,508.06

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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.