Home / 698,053.79-1,047,306.41-342,818.71

Finding the Fourth Proportional to 698,053.79, 1,047,306.41 and 342,818.71

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Solution

The fourth proportional to 698,053.79, 1,047,306.41 and 342,818.71 is: 514,338.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,053.79 : 1,047,306.41 = 342,818.71 : x
  2. Step 2: Convert to fraction form
    698,053.79/1,047,306.41 = 342,818.71/x
  3. Step 3: Cross multiply
    698,053.79x = 1,047,306.41 × 342,818.71
  4. Step 4: Simplify right side
    698,053.79x = 359,036,232,450.93
  5. Step 5: Solve for x
    x = 359,036,232,450.93/698,053.79
  6. Step 6: Final answer
    x = 514,338.92

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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.