Home / 778,185.57-1,073,713.25-472,255.12

Finding the Fourth Proportional to 778,185.57, 1,073,713.25 and 472,255.12

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Solution

The fourth proportional to 778,185.57, 1,073,713.25 and 472,255.12 is: 651,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,185.57 : 1,073,713.25 = 472,255.12 : x
  2. Step 2: Convert to fraction form
    778,185.57/1,073,713.25 = 472,255.12/x
  3. Step 3: Cross multiply
    778,185.57x = 1,073,713.25 × 472,255.12
  4. Step 4: Simplify right side
    778,185.57x = 507,066,582,247.12
  5. Step 5: Solve for x
    x = 507,066,582,247.12/778,185.57
  6. Step 6: Final answer
    x = 651,601.11

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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.