Home / 857,382.36-1,183,240.84-475,409.14

Finding the Fourth Proportional to 857,382.36, 1,183,240.84 and 475,409.14

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Solution

The fourth proportional to 857,382.36, 1,183,240.84 and 475,409.14 is: 656,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,382.36 : 1,183,240.84 = 475,409.14 : x
  2. Step 2: Convert to fraction form
    857,382.36/1,183,240.84 = 475,409.14/x
  3. Step 3: Cross multiply
    857,382.36x = 1,183,240.84 × 475,409.14
  4. Step 4: Simplify right side
    857,382.36x = 562,523,510,157.28
  5. Step 5: Solve for x
    x = 562,523,510,157.28/857,382.36
  6. Step 6: Final answer
    x = 656,094.10

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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.