Home / 1,218,760.47-1,827,298.03-535,317.51

Finding the Fourth Proportional to 1,218,760.47, 1,827,298.03 and 535,317.51

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Solution

The fourth proportional to 1,218,760.47, 1,827,298.03 and 535,317.51 is: 802,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,760.47 : 1,827,298.03 = 535,317.51 : x
  2. Step 2: Convert to fraction form
    1,218,760.47/1,827,298.03 = 535,317.51/x
  3. Step 3: Cross multiply
    1,218,760.47x = 1,827,298.03 × 535,317.51
  4. Step 4: Simplify right side
    1,218,760.47x = 978,184,631,447.51
  5. Step 5: Solve for x
    x = 978,184,631,447.51/1,218,760.47
  6. Step 6: Final answer
    x = 802,606.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.