Home / 936,645.76-1,292,454.12-528,697.36

Finding the Fourth Proportional to 936,645.76, 1,292,454.12 and 528,697.36

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Solution

The fourth proportional to 936,645.76, 1,292,454.12 and 528,697.36 is: 729,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,645.76 : 1,292,454.12 = 528,697.36 : x
  2. Step 2: Convert to fraction form
    936,645.76/1,292,454.12 = 528,697.36/x
  3. Step 3: Cross multiply
    936,645.76x = 1,292,454.12 × 528,697.36
  4. Step 4: Simplify right side
    936,645.76x = 683,317,081,165.12
  5. Step 5: Solve for x
    x = 683,317,081,165.12/936,645.76
  6. Step 6: Final answer
    x = 729,536.30

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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.