Home / 1,014,538.72-1,400,093.76-561,820

Finding the Fourth Proportional to 1,014,538.72, 1,400,093.76 and 561,820

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Solution

The fourth proportional to 1,014,538.72, 1,400,093.76 and 561,820 is: 775,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,538.72 : 1,400,093.76 = 561,820 : x
  2. Step 2: Convert to fraction form
    1,014,538.72/1,400,093.76 = 561,820/x
  3. Step 3: Cross multiply
    1,014,538.72x = 1,400,093.76 × 561,820
  4. Step 4: Simplify right side
    1,014,538.72x = 786,600,676,243.20
  5. Step 5: Solve for x
    x = 786,600,676,243.20/1,014,538.72
  6. Step 6: Final answer
    x = 775,328.39

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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.