Home / 698,451.03-963,645.80-407,852.96

Finding the Fourth Proportional to 698,451.03, 963,645.80 and 407,852.96

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Solution

The fourth proportional to 698,451.03, 963,645.80 and 407,852.96 is: 562,710.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,451.03 : 963,645.80 = 407,852.96 : x
  2. Step 2: Convert to fraction form
    698,451.03/963,645.80 = 407,852.96/x
  3. Step 3: Cross multiply
    698,451.03x = 963,645.80 × 407,852.96
  4. Step 4: Simplify right side
    698,451.03x = 393,025,791,921.57
  5. Step 5: Solve for x
    x = 393,025,791,921.57/698,451.03
  6. Step 6: Final answer
    x = 562,710.59

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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.