Home / 468,314.51-646,123.14-286,837.25

Finding the Fourth Proportional to 468,314.51, 646,123.14 and 286,837.25

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Solution

The fourth proportional to 468,314.51, 646,123.14 and 286,837.25 is: 395,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,314.51 : 646,123.14 = 286,837.25 : x
  2. Step 2: Convert to fraction form
    468,314.51/646,123.14 = 286,837.25/x
  3. Step 3: Cross multiply
    468,314.51x = 646,123.14 × 286,837.25
  4. Step 4: Simplify right side
    468,314.51x = 185,332,181,408.35
  5. Step 5: Solve for x
    x = 185,332,181,408.35/468,314.51
  6. Step 6: Final answer
    x = 395,742.99

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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.