Home / 698,157.68-1,047,296.57-192,718.71

Finding the Fourth Proportional to 698,157.68, 1,047,296.57 and 192,718.71

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Solution

The fourth proportional to 698,157.68, 1,047,296.57 and 192,718.71 is: 289,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,157.68 : 1,047,296.57 = 192,718.71 : x
  2. Step 2: Convert to fraction form
    698,157.68/1,047,296.57 = 192,718.71/x
  3. Step 3: Cross multiply
    698,157.68x = 1,047,296.57 × 192,718.71
  4. Step 4: Simplify right side
    698,157.68x = 201,833,642,994.23
  5. Step 5: Solve for x
    x = 201,833,642,994.23/698,157.68
  6. Step 6: Final answer
    x = 289,094.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.