Home / 698,086.84-963,082.80-403,682.16

Finding the Fourth Proportional to 698,086.84, 963,082.80 and 403,682.16

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Solution

The fourth proportional to 698,086.84, 963,082.80 and 403,682.16 is: 556,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,086.84 : 963,082.80 = 403,682.16 : x
  2. Step 2: Convert to fraction form
    698,086.84/963,082.80 = 403,682.16/x
  3. Step 3: Cross multiply
    698,086.84x = 963,082.80 × 403,682.16
  4. Step 4: Simplify right side
    698,086.84x = 388,779,344,962.85
  5. Step 5: Solve for x
    x = 388,779,344,962.85/698,086.84
  6. Step 6: Final answer
    x = 556,921.18

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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.