Home / 382,829.50-528,295.72-213,059.98

Finding the Fourth Proportional to 382,829.50, 528,295.72 and 213,059.98

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Solution

The fourth proportional to 382,829.50, 528,295.72 and 213,059.98 is: 294,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,829.50 : 528,295.72 = 213,059.98 : x
  2. Step 2: Convert to fraction form
    382,829.50/528,295.72 = 213,059.98/x
  3. Step 3: Cross multiply
    382,829.50x = 528,295.72 × 213,059.98
  4. Step 4: Simplify right side
    382,829.50x = 112,558,671,830.51
  5. Step 5: Solve for x
    x = 112,558,671,830.51/382,829.50
  6. Step 6: Final answer
    x = 294,017.76

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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.