Home / 857,500.56-1,183,344.12-475,528.32

Finding the Fourth Proportional to 857,500.56, 1,183,344.12 and 475,528.32

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Solution

The fourth proportional to 857,500.56, 1,183,344.12 and 475,528.32 is: 656,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,500.56 : 1,183,344.12 = 475,528.32 : x
  2. Step 2: Convert to fraction form
    857,500.56/1,183,344.12 = 475,528.32/x
  3. Step 3: Cross multiply
    857,500.56x = 1,183,344.12 × 475,528.32
  4. Step 4: Simplify right side
    857,500.56x = 562,713,641,365.48
  5. Step 5: Solve for x
    x = 562,713,641,365.48/857,500.56
  6. Step 6: Final answer
    x = 656,225.39

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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.