Home / 857,555.16-1,183,396.32-475,617.48

Finding the Fourth Proportional to 857,555.16, 1,183,396.32 and 475,617.48

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Solution

The fourth proportional to 857,555.16, 1,183,396.32 and 475,617.48 is: 656,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,555.16 : 1,183,396.32 = 475,617.48 : x
  2. Step 2: Convert to fraction form
    857,555.16/1,183,396.32 = 475,617.48/x
  3. Step 3: Cross multiply
    857,555.16x = 1,183,396.32 × 475,617.48
  4. Step 4: Simplify right side
    857,555.16x = 562,843,975,559.67
  5. Step 5: Solve for x
    x = 562,843,975,559.67/857,555.16
  6. Step 6: Final answer
    x = 656,335.59

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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.