Home / 314,710.47-433,956.76-212,558.60

Finding the Fourth Proportional to 314,710.47, 433,956.76 and 212,558.60

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Solution

The fourth proportional to 314,710.47, 433,956.76 and 212,558.60 is: 293,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,710.47 : 433,956.76 = 212,558.60 : x
  2. Step 2: Convert to fraction form
    314,710.47/433,956.76 = 212,558.60/x
  3. Step 3: Cross multiply
    314,710.47x = 433,956.76 × 212,558.60
  4. Step 4: Simplify right side
    314,710.47x = 92,241,241,919.63
  5. Step 5: Solve for x
    x = 92,241,241,919.63/314,710.47
  6. Step 6: Final answer
    x = 293,098.74

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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.