Home / 857,438.54-1,183,312.42-475,457.12

Finding the Fourth Proportional to 857,438.54, 1,183,312.42 and 475,457.12

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Solution

The fourth proportional to 857,438.54, 1,183,312.42 and 475,457.12 is: 656,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,438.54 : 1,183,312.42 = 475,457.12 : x
  2. Step 2: Convert to fraction form
    857,438.54/1,183,312.42 = 475,457.12/x
  3. Step 3: Cross multiply
    857,438.54x = 1,183,312.42 × 475,457.12
  4. Step 4: Simplify right side
    857,438.54x = 562,614,308,168.23
  5. Step 5: Solve for x
    x = 562,614,308,168.23/857,438.54
  6. Step 6: Final answer
    x = 656,157.01

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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.