Home / 401,848.48-602,772.81-313,168.42

Finding the Fourth Proportional to 401,848.48, 602,772.81 and 313,168.42

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Solution

The fourth proportional to 401,848.48, 602,772.81 and 313,168.42 is: 469,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,848.48 : 602,772.81 = 313,168.42 : x
  2. Step 2: Convert to fraction form
    401,848.48/602,772.81 = 313,168.42/x
  3. Step 3: Cross multiply
    401,848.48x = 602,772.81 × 313,168.42
  4. Step 4: Simplify right side
    401,848.48x = 188,769,408,526.66
  5. Step 5: Solve for x
    x = 188,769,408,526.66/401,848.48
  6. Step 6: Final answer
    x = 469,752.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.