Home / 772,565.70-1,158,848.55-352,661.70

Finding the Fourth Proportional to 772,565.70, 1,158,848.55 and 352,661.70

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Solution

The fourth proportional to 772,565.70, 1,158,848.55 and 352,661.70 is: 528,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,565.70 : 1,158,848.55 = 352,661.70 : x
  2. Step 2: Convert to fraction form
    772,565.70/1,158,848.55 = 352,661.70/x
  3. Step 3: Cross multiply
    772,565.70x = 1,158,848.55 × 352,661.70
  4. Step 4: Simplify right side
    772,565.70x = 408,681,499,685.54
  5. Step 5: Solve for x
    x = 408,681,499,685.54/772,565.70
  6. Step 6: Final answer
    x = 528,992.55

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.