Home / 936,165.68-1,291,904.76-506,444.80

Finding the Fourth Proportional to 936,165.68, 1,291,904.76 and 506,444.80

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Solution

The fourth proportional to 936,165.68, 1,291,904.76 and 506,444.80 is: 698,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,165.68 : 1,291,904.76 = 506,444.80 : x
  2. Step 2: Convert to fraction form
    936,165.68/1,291,904.76 = 506,444.80/x
  3. Step 3: Cross multiply
    936,165.68x = 1,291,904.76 × 506,444.80
  4. Step 4: Simplify right side
    936,165.68x = 654,278,447,797.25
  5. Step 5: Solve for x
    x = 654,278,447,797.25/936,165.68
  6. Step 6: Final answer
    x = 698,891.73

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Half scale
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Double scale
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Similar ratio
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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.