Home / 698,497.04-963,757.74-407,943.82

Finding the Fourth Proportional to 698,497.04, 963,757.74 and 407,943.82

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Solution

The fourth proportional to 698,497.04, 963,757.74 and 407,943.82 is: 562,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,497.04 : 963,757.74 = 407,943.82 : x
  2. Step 2: Convert to fraction form
    698,497.04/963,757.74 = 407,943.82/x
  3. Step 3: Cross multiply
    698,497.04x = 963,757.74 × 407,943.82
  4. Step 4: Simplify right side
    698,497.04x = 393,159,014,010.17
  5. Step 5: Solve for x
    x = 393,159,014,010.17/698,497.04
  6. Step 6: Final answer
    x = 562,864.25

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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.