Home / 417,421.15-576,041.37-236,129.24

Finding the Fourth Proportional to 417,421.15, 576,041.37 and 236,129.24

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Solution

The fourth proportional to 417,421.15, 576,041.37 and 236,129.24 is: 325,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,421.15 : 576,041.37 = 236,129.24 : x
  2. Step 2: Convert to fraction form
    417,421.15/576,041.37 = 236,129.24/x
  3. Step 3: Cross multiply
    417,421.15x = 576,041.37 × 236,129.24
  4. Step 4: Simplify right side
    417,421.15x = 136,020,210,906.66
  5. Step 5: Solve for x
    x = 136,020,210,906.66/417,421.15
  6. Step 6: Final answer
    x = 325,858.45

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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.