Home / 698,000.06-963,236.60-392,081.15

Finding the Fourth Proportional to 698,000.06, 963,236.60 and 392,081.15

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Solution

The fourth proportional to 698,000.06, 963,236.60 and 392,081.15 is: 541,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,000.06 : 963,236.60 = 392,081.15 : x
  2. Step 2: Convert to fraction form
    698,000.06/963,236.60 = 392,081.15/x
  3. Step 3: Cross multiply
    698,000.06x = 963,236.60 × 392,081.15
  4. Step 4: Simplify right side
    698,000.06x = 377,666,913,850.09
  5. Step 5: Solve for x
    x = 377,666,913,850.09/698,000.06
  6. Step 6: Final answer
    x = 541,070.03

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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.