Home / 725,253.01-1,087,779.03-192,817.33

Finding the Fourth Proportional to 725,253.01, 1,087,779.03 and 192,817.33

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Solution

The fourth proportional to 725,253.01, 1,087,779.03 and 192,817.33 is: 289,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,253.01 : 1,087,779.03 = 192,817.33 : x
  2. Step 2: Convert to fraction form
    725,253.01/1,087,779.03 = 192,817.33/x
  3. Step 3: Cross multiply
    725,253.01x = 1,087,779.03 × 192,817.33
  4. Step 4: Simplify right side
    725,253.01x = 209,742,648,194.59
  5. Step 5: Solve for x
    x = 209,742,648,194.59/725,253.01
  6. Step 6: Final answer
    x = 289,199.28

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Double scale
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1.5x scale

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.