Home / 698,082.84-963,077.28-403,678.15

Finding the Fourth Proportional to 698,082.84, 963,077.28 and 403,678.15

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Solution

The fourth proportional to 698,082.84, 963,077.28 and 403,678.15 is: 556,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,082.84 : 963,077.28 = 403,678.15 : x
  2. Step 2: Convert to fraction form
    698,082.84/963,077.28 = 403,678.15/x
  3. Step 3: Cross multiply
    698,082.84x = 963,077.28 × 403,678.15
  4. Step 4: Simplify right side
    698,082.84x = 388,773,254,697.43
  5. Step 5: Solve for x
    x = 388,773,254,697.43/698,082.84
  6. Step 6: Final answer
    x = 556,915.64

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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.