Home / 1,513,638.96-2,089,327.93-901,983.59

Finding the Fourth Proportional to 1,513,638.96, 2,089,327.93 and 901,983.59

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Solution

The fourth proportional to 1,513,638.96, 2,089,327.93 and 901,983.59 is: 1,245,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,638.96 : 2,089,327.93 = 901,983.59 : x
  2. Step 2: Convert to fraction form
    1,513,638.96/2,089,327.93 = 901,983.59/x
  3. Step 3: Cross multiply
    1,513,638.96x = 2,089,327.93 × 901,983.59
  4. Step 4: Simplify right side
    1,513,638.96x = 1,884,539,502,122.05
  5. Step 5: Solve for x
    x = 1,884,539,502,122.05/1,513,638.96
  6. Step 6: Final answer
    x = 1,245,038.98

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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.