Home / 698,735.95-1,048,104.16-219,000.98

Finding the Fourth Proportional to 698,735.95, 1,048,104.16 and 219,000.98

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Solution

The fourth proportional to 698,735.95, 1,048,104.16 and 219,000.98 is: 328,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,735.95 : 1,048,104.16 = 219,000.98 : x
  2. Step 2: Convert to fraction form
    698,735.95/1,048,104.16 = 219,000.98/x
  3. Step 3: Cross multiply
    698,735.95x = 1,048,104.16 × 219,000.98
  4. Step 4: Simplify right side
    698,735.95x = 229,535,840,254.84
  5. Step 5: Solve for x
    x = 229,535,840,254.84/698,735.95
  6. Step 6: Final answer
    x = 328,501.55

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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.