Home / 1,591,430.34-2,196,201.87-866,298.90

Finding the Fourth Proportional to 1,591,430.34, 2,196,201.87 and 866,298.90

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Solution

The fourth proportional to 1,591,430.34, 2,196,201.87 and 866,298.90 is: 1,195,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,430.34 : 2,196,201.87 = 866,298.90 : x
  2. Step 2: Convert to fraction form
    1,591,430.34/2,196,201.87 = 866,298.90/x
  3. Step 3: Cross multiply
    1,591,430.34x = 2,196,201.87 × 866,298.90
  4. Step 4: Simplify right side
    1,591,430.34x = 1,902,567,264,158.94
  5. Step 5: Solve for x
    x = 1,902,567,264,158.94/1,591,430.34
  6. Step 6: Final answer
    x = 1,195,507.72

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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.