Home / 805,087.40-1,111,029.21-437,564.52

Finding the Fourth Proportional to 805,087.40, 1,111,029.21 and 437,564.52

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Solution

The fourth proportional to 805,087.40, 1,111,029.21 and 437,564.52 is: 603,843.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,087.40 : 1,111,029.21 = 437,564.52 : x
  2. Step 2: Convert to fraction form
    805,087.40/1,111,029.21 = 437,564.52/x
  3. Step 3: Cross multiply
    805,087.40x = 1,111,029.21 × 437,564.52
  4. Step 4: Simplify right side
    805,087.40x = 486,146,962,979.63
  5. Step 5: Solve for x
    x = 486,146,962,979.63/805,087.40
  6. Step 6: Final answer
    x = 603,843.71

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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.