Home / 1,897,125.51-2,845,725.30-698,430.81

Finding the Fourth Proportional to 1,897,125.51, 2,845,725.30 and 698,430.81

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Solution

The fourth proportional to 1,897,125.51, 2,845,725.30 and 698,430.81 is: 1,047,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,125.51 : 2,845,725.30 = 698,430.81 : x
  2. Step 2: Convert to fraction form
    1,897,125.51/2,845,725.30 = 698,430.81/x
  3. Step 3: Cross multiply
    1,897,125.51x = 2,845,725.30 × 698,430.81
  4. Step 4: Simplify right side
    1,897,125.51x = 1,987,542,226,316.49
  5. Step 5: Solve for x
    x = 1,987,542,226,316.49/1,897,125.51
  6. Step 6: Final answer
    x = 1,047,659.85

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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.