Home / 745,582.23-1,028,932.61-423,322.34

Finding the Fourth Proportional to 745,582.23, 1,028,932.61 and 423,322.34

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Solution

The fourth proportional to 745,582.23, 1,028,932.61 and 423,322.34 is: 584,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,582.23 : 1,028,932.61 = 423,322.34 : x
  2. Step 2: Convert to fraction form
    745,582.23/1,028,932.61 = 423,322.34/x
  3. Step 3: Cross multiply
    745,582.23x = 1,028,932.61 × 423,322.34
  4. Step 4: Simplify right side
    745,582.23x = 435,570,152,906.23
  5. Step 5: Solve for x
    x = 435,570,152,906.23/745,582.23
  6. Step 6: Final answer
    x = 584,201.36

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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.