Home / 459,039.72-633,478.26-255,109.72

Finding the Fourth Proportional to 459,039.72, 633,478.26 and 255,109.72

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Solution

The fourth proportional to 459,039.72, 633,478.26 and 255,109.72 is: 352,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,039.72 : 633,478.26 = 255,109.72 : x
  2. Step 2: Convert to fraction form
    459,039.72/633,478.26 = 255,109.72/x
  3. Step 3: Cross multiply
    459,039.72x = 633,478.26 × 255,109.72
  4. Step 4: Simplify right side
    459,039.72x = 161,606,461,534.69
  5. Step 5: Solve for x
    x = 161,606,461,534.69/459,039.72
  6. Step 6: Final answer
    x = 352,053.33

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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.