Home / 698,306.81-1,047,439.43-192,898.10

Finding the Fourth Proportional to 698,306.81, 1,047,439.43 and 192,898.10

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Solution

The fourth proportional to 698,306.81, 1,047,439.43 and 192,898.10 is: 289,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,306.81 : 1,047,439.43 = 192,898.10 : x
  2. Step 2: Convert to fraction form
    698,306.81/1,047,439.43 = 192,898.10/x
  3. Step 3: Cross multiply
    698,306.81x = 1,047,439.43 × 192,898.10
  4. Step 4: Simplify right side
    698,306.81x = 202,049,070,674.89
  5. Step 5: Solve for x
    x = 202,049,070,674.89/698,306.81
  6. Step 6: Final answer
    x = 289,341.40

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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.