Home / 698,247.02-963,581.52-396,441.02

Finding the Fourth Proportional to 698,247.02, 963,581.52 and 396,441.02

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Solution

The fourth proportional to 698,247.02, 963,581.52 and 396,441.02 is: 547,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,247.02 : 963,581.52 = 396,441.02 : x
  2. Step 2: Convert to fraction form
    698,247.02/963,581.52 = 396,441.02/x
  3. Step 3: Cross multiply
    698,247.02x = 963,581.52 × 396,441.02
  4. Step 4: Simplify right side
    698,247.02x = 382,003,235,824.04
  5. Step 5: Solve for x
    x = 382,003,235,824.04/698,247.02
  6. Step 6: Final answer
    x = 547,088.96

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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.