Home / 698,182.83-1,047,253.32-192,774.65

Finding the Fourth Proportional to 698,182.83, 1,047,253.32 and 192,774.65

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Solution

The fourth proportional to 698,182.83, 1,047,253.32 and 192,774.65 is: 289,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,182.83 : 1,047,253.32 = 192,774.65 : x
  2. Step 2: Convert to fraction form
    698,182.83/1,047,253.32 = 192,774.65/x
  3. Step 3: Cross multiply
    698,182.83x = 1,047,253.32 × 192,774.65
  4. Step 4: Simplify right side
    698,182.83x = 201,883,886,988.07
  5. Step 5: Solve for x
    x = 201,883,886,988.07/698,182.83
  6. Step 6: Final answer
    x = 289,156.19

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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.