Home / 7,758,719.96-10,707,365.75-4,320,961

Finding the Fourth Proportional to 7,758,719.96, 10,707,365.75 and 4,320,961

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Solution

The fourth proportional to 7,758,719.96, 10,707,365.75 and 4,320,961 is: 5,963,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758,719.96 : 10,707,365.75 = 4,320,961 : x
  2. Step 2: Convert to fraction form
    7,758,719.96/10,707,365.75 = 4,320,961/x
  3. Step 3: Cross multiply
    7,758,719.96x = 10,707,365.75 × 4,320,961
  4. Step 4: Simplify right side
    7,758,719.96x = 46,266,109,818,485.75
  5. Step 5: Solve for x
    x = 46,266,109,818,485.75/7,758,719.96
  6. Step 6: Final answer
    x = 5,963,111.19

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1.5x scale

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.