Home / 1,463,023.85-2,018,926.01-818,430.18

Finding the Fourth Proportional to 1,463,023.85, 2,018,926.01 and 818,430.18

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Solution

The fourth proportional to 1,463,023.85, 2,018,926.01 and 818,430.18 is: 1,129,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,023.85 : 2,018,926.01 = 818,430.18 : x
  2. Step 2: Convert to fraction form
    1,463,023.85/2,018,926.01 = 818,430.18/x
  3. Step 3: Cross multiply
    1,463,023.85x = 2,018,926.01 × 818,430.18
  4. Step 4: Simplify right side
    1,463,023.85x = 1,652,349,973,678.83
  5. Step 5: Solve for x
    x = 1,652,349,973,678.83/1,463,023.85
  6. Step 6: Final answer
    x = 1,129,407.41

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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.