Home / 1,006,915.79-1,389,543.70-548,033.65

Finding the Fourth Proportional to 1,006,915.79, 1,389,543.70 and 548,033.65

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Solution

The fourth proportional to 1,006,915.79, 1,389,543.70 and 548,033.65 is: 756,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,915.79 : 1,389,543.70 = 548,033.65 : x
  2. Step 2: Convert to fraction form
    1,006,915.79/1,389,543.70 = 548,033.65/x
  3. Step 3: Cross multiply
    1,006,915.79x = 1,389,543.70 × 548,033.65
  4. Step 4: Simplify right side
    1,006,915.79x = 761,516,705,745.51
  5. Step 5: Solve for x
    x = 761,516,705,745.51/1,006,915.79
  6. Step 6: Final answer
    x = 756,286.39

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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.