Home / 936,317.08-1,292,108.38-506,587.78

Finding the Fourth Proportional to 936,317.08, 1,292,108.38 and 506,587.78

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Solution

The fourth proportional to 936,317.08, 1,292,108.38 and 506,587.78 is: 699,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,317.08 : 1,292,108.38 = 506,587.78 : x
  2. Step 2: Convert to fraction form
    936,317.08/1,292,108.38 = 506,587.78/x
  3. Step 3: Cross multiply
    936,317.08x = 1,292,108.38 × 506,587.78
  4. Step 4: Simplify right side
    936,317.08x = 654,566,315,743.60
  5. Step 5: Solve for x
    x = 654,566,315,743.60/936,317.08
  6. Step 6: Final answer
    x = 699,086.16

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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.