Home / 1,113,345.09-1,535,401.80-941,623.11

Finding the Fourth Proportional to 1,113,345.09, 1,535,401.80 and 941,623.11

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Solution

The fourth proportional to 1,113,345.09, 1,535,401.80 and 941,623.11 is: 1,298,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,345.09 : 1,535,401.80 = 941,623.11 : x
  2. Step 2: Convert to fraction form
    1,113,345.09/1,535,401.80 = 941,623.11/x
  3. Step 3: Cross multiply
    1,113,345.09x = 1,535,401.80 × 941,623.11
  4. Step 4: Simplify right side
    1,113,345.09x = 1,445,769,818,015.60
  5. Step 5: Solve for x
    x = 1,445,769,818,015.60/1,113,345.09
  6. Step 6: Final answer
    x = 1,298,581.93

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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.