Home / 516,168.36-712,246.32-301,259.16

Finding the Fourth Proportional to 516,168.36, 712,246.32 and 301,259.16

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Solution

The fourth proportional to 516,168.36, 712,246.32 and 301,259.16 is: 415,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,168.36 : 712,246.32 = 301,259.16 : x
  2. Step 2: Convert to fraction form
    516,168.36/712,246.32 = 301,259.16/x
  3. Step 3: Cross multiply
    516,168.36x = 712,246.32 × 301,259.16
  4. Step 4: Simplify right side
    516,168.36x = 214,570,728,076.29
  5. Step 5: Solve for x
    x = 214,570,728,076.29/516,168.36
  6. Step 6: Final answer
    x = 415,699.11

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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.