Home / 1,015,835.77-1,401,837.39-556,954.30

Finding the Fourth Proportional to 1,015,835.77, 1,401,837.39 and 556,954.30

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Solution

The fourth proportional to 1,015,835.77, 1,401,837.39 and 556,954.30 is: 768,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,835.77 : 1,401,837.39 = 556,954.30 : x
  2. Step 2: Convert to fraction form
    1,015,835.77/1,401,837.39 = 556,954.30/x
  3. Step 3: Cross multiply
    1,015,835.77x = 1,401,837.39 × 556,954.30
  4. Step 4: Simplify right side
    1,015,835.77x = 780,759,364,013.57
  5. Step 5: Solve for x
    x = 780,759,364,013.57/1,015,835.77
  6. Step 6: Final answer
    x = 768,588.18

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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.