Home / 753,985.76-1,040,500.34-431,802.46

Finding the Fourth Proportional to 753,985.76, 1,040,500.34 and 431,802.46

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Solution

The fourth proportional to 753,985.76, 1,040,500.34 and 431,802.46 is: 595,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,985.76 : 1,040,500.34 = 431,802.46 : x
  2. Step 2: Convert to fraction form
    753,985.76/1,040,500.34 = 431,802.46/x
  3. Step 3: Cross multiply
    753,985.76x = 1,040,500.34 × 431,802.46
  4. Step 4: Simplify right side
    753,985.76x = 449,290,606,442.84
  5. Step 5: Solve for x
    x = 449,290,606,442.84/753,985.76
  6. Step 6: Final answer
    x = 595,887.39

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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.