Home / 698,082.07-963,076.25-403,677.39

Finding the Fourth Proportional to 698,082.07, 963,076.25 and 403,677.39

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Solution

The fourth proportional to 698,082.07, 963,076.25 and 403,677.39 is: 556,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,082.07 : 963,076.25 = 403,677.39 : x
  2. Step 2: Convert to fraction form
    698,082.07/963,076.25 = 403,677.39/x
  3. Step 3: Cross multiply
    698,082.07x = 963,076.25 × 403,677.39
  4. Step 4: Simplify right side
    698,082.07x = 388,772,106,970.99
  5. Step 5: Solve for x
    x = 388,772,106,970.99/698,082.07
  6. Step 6: Final answer
    x = 556,914.61

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1.5x scale

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.