Home / 772,263.48-1,158,447.06-211,302.84

Finding the Fourth Proportional to 772,263.48, 1,158,447.06 and 211,302.84

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Solution

The fourth proportional to 772,263.48, 1,158,447.06 and 211,302.84 is: 316,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,263.48 : 1,158,447.06 = 211,302.84 : x
  2. Step 2: Convert to fraction form
    772,263.48/1,158,447.06 = 211,302.84/x
  3. Step 3: Cross multiply
    772,263.48x = 1,158,447.06 × 211,302.84
  4. Step 4: Simplify right side
    772,263.48x = 244,783,153,767.65
  5. Step 5: Solve for x
    x = 244,783,153,767.65/772,263.48
  6. Step 6: Final answer
    x = 316,968.44

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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.