Home / 1,114,590.24-1,538,526.96-661,878

Finding the Fourth Proportional to 1,114,590.24, 1,538,526.96 and 661,878

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Solution

The fourth proportional to 1,114,590.24, 1,538,526.96 and 661,878 is: 913,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,590.24 : 1,538,526.96 = 661,878 : x
  2. Step 2: Convert to fraction form
    1,114,590.24/1,538,526.96 = 661,878/x
  3. Step 3: Cross multiply
    1,114,590.24x = 1,538,526.96 × 661,878
  4. Step 4: Simplify right side
    1,114,590.24x = 1,018,317,147,230.88
  5. Step 5: Solve for x
    x = 1,018,317,147,230.88/1,114,590.24
  6. Step 6: Final answer
    x = 913,624.68

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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.