Home / 705,412.40-1,056,563.40-612,100.40

Finding the Fourth Proportional to 705,412.40, 1,056,563.40 and 612,100.40

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Solution

The fourth proportional to 705,412.40, 1,056,563.40 and 612,100.40 is: 916,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,412.40 : 1,056,563.40 = 612,100.40 : x
  2. Step 2: Convert to fraction form
    705,412.40/1,056,563.40 = 612,100.40/x
  3. Step 3: Cross multiply
    705,412.40x = 1,056,563.40 × 612,100.40
  4. Step 4: Simplify right side
    705,412.40x = 646,722,879,765.36
  5. Step 5: Solve for x
    x = 646,722,879,765.36/705,412.40
  6. Step 6: Final answer
    x = 916,801.12

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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.