Home / 936,499.48-1,292,372.69-506,779.56

Finding the Fourth Proportional to 936,499.48, 1,292,372.69 and 506,779.56

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Solution

The fourth proportional to 936,499.48, 1,292,372.69 and 506,779.56 is: 699,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,499.48 : 1,292,372.69 = 506,779.56 : x
  2. Step 2: Convert to fraction form
    936,499.48/1,292,372.69 = 506,779.56/x
  3. Step 3: Cross multiply
    936,499.48x = 1,292,372.69 × 506,779.56
  4. Step 4: Simplify right side
    936,499.48x = 654,948,063,194.22
  5. Step 5: Solve for x
    x = 654,948,063,194.22/936,499.48
  6. Step 6: Final answer
    x = 699,357.64

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Double scale
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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.