Home / 1,136,138.40-1,568,009.84-652,702.64

Finding the Fourth Proportional to 1,136,138.40, 1,568,009.84 and 652,702.64

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Solution

The fourth proportional to 1,136,138.40, 1,568,009.84 and 652,702.64 is: 900,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,138.40 : 1,568,009.84 = 652,702.64 : x
  2. Step 2: Convert to fraction form
    1,136,138.40/1,568,009.84 = 652,702.64/x
  3. Step 3: Cross multiply
    1,136,138.40x = 1,568,009.84 × 652,702.64
  4. Step 4: Simplify right side
    1,136,138.40x = 1,023,444,162,113.98
  5. Step 5: Solve for x
    x = 1,023,444,162,113.98/1,136,138.40
  6. Step 6: Final answer
    x = 900,809.41

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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.