Home / 857,485.56-1,183,323.42-475,513.32

Finding the Fourth Proportional to 857,485.56, 1,183,323.42 and 475,513.32

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Solution

The fourth proportional to 857,485.56, 1,183,323.42 and 475,513.32 is: 656,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,485.56 : 1,183,323.42 = 475,513.32 : x
  2. Step 2: Convert to fraction form
    857,485.56/1,183,323.42 = 475,513.32/x
  3. Step 3: Cross multiply
    857,485.56x = 1,183,323.42 × 475,513.32
  4. Step 4: Simplify right side
    857,485.56x = 562,686,048,077.95
  5. Step 5: Solve for x
    x = 562,686,048,077.95/857,485.56
  6. Step 6: Final answer
    x = 656,204.69

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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.