Home / 405,018.18-558,901.95-241,858.83

Finding the Fourth Proportional to 405,018.18, 558,901.95 and 241,858.83

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Solution

The fourth proportional to 405,018.18, 558,901.95 and 241,858.83 is: 333,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,018.18 : 558,901.95 = 241,858.83 : x
  2. Step 2: Convert to fraction form
    405,018.18/558,901.95 = 241,858.83/x
  3. Step 3: Cross multiply
    405,018.18x = 558,901.95 × 241,858.83
  4. Step 4: Simplify right side
    405,018.18x = 135,175,371,711.72
  5. Step 5: Solve for x
    x = 135,175,371,711.72/405,018.18
  6. Step 6: Final answer
    x = 333,751.37

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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.