Home / 936,319.08-1,292,111.14-506,589.78

Finding the Fourth Proportional to 936,319.08, 1,292,111.14 and 506,589.78

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Solution

The fourth proportional to 936,319.08, 1,292,111.14 and 506,589.78 is: 699,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,319.08 : 1,292,111.14 = 506,589.78 : x
  2. Step 2: Convert to fraction form
    936,319.08/1,292,111.14 = 506,589.78/x
  3. Step 3: Cross multiply
    936,319.08x = 1,292,111.14 × 506,589.78
  4. Step 4: Simplify right side
    936,319.08x = 654,570,298,148.15
  5. Step 5: Solve for x
    x = 654,570,298,148.15/936,319.08
  6. Step 6: Final answer
    x = 699,088.92

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Double scale
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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.