Home / 507,530.14-761,383.05-170,603.74

Finding the Fourth Proportional to 507,530.14, 761,383.05 and 170,603.74

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Solution

The fourth proportional to 507,530.14, 761,383.05 and 170,603.74 is: 255,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,530.14 : 761,383.05 = 170,603.74 : x
  2. Step 2: Convert to fraction form
    507,530.14/761,383.05 = 170,603.74/x
  3. Step 3: Cross multiply
    507,530.14x = 761,383.05 × 170,603.74
  4. Step 4: Simplify right side
    507,530.14x = 129,894,795,902.61
  5. Step 5: Solve for x
    x = 129,894,795,902.61/507,530.14
  6. Step 6: Final answer
    x = 255,935.14

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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.