Home / 772,585.08-1,066,169.79-428,445.24

Finding the Fourth Proportional to 772,585.08, 1,066,169.79 and 428,445.24

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Solution

The fourth proportional to 772,585.08, 1,066,169.79 and 428,445.24 is: 591,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,585.08 : 1,066,169.79 = 428,445.24 : x
  2. Step 2: Convert to fraction form
    772,585.08/1,066,169.79 = 428,445.24/x
  3. Step 3: Cross multiply
    772,585.08x = 1,066,169.79 × 428,445.24
  4. Step 4: Simplify right side
    772,585.08x = 456,795,371,557.30
  5. Step 5: Solve for x
    x = 456,795,371,557.30/772,585.08
  6. Step 6: Final answer
    x = 591,255.75

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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.