Home / 903,449.46-1,353,367.42-543,421.47

Finding the Fourth Proportional to 903,449.46, 1,353,367.42 and 543,421.47

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Solution

The fourth proportional to 903,449.46, 1,353,367.42 and 543,421.47 is: 814,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,449.46 : 1,353,367.42 = 543,421.47 : x
  2. Step 2: Convert to fraction form
    903,449.46/1,353,367.42 = 543,421.47/x
  3. Step 3: Cross multiply
    903,449.46x = 1,353,367.42 × 543,421.47
  4. Step 4: Simplify right side
    903,449.46x = 735,448,912,826.51
  5. Step 5: Solve for x
    x = 735,448,912,826.51/903,449.46
  6. Step 6: Final answer
    x = 814,045.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.