Home / 1,518,113.34-2,095,129.80-839,181.06

Finding the Fourth Proportional to 1,518,113.34, 2,095,129.80 and 839,181.06

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Solution

The fourth proportional to 1,518,113.34, 2,095,129.80 and 839,181.06 is: 1,158,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,113.34 : 2,095,129.80 = 839,181.06 : x
  2. Step 2: Convert to fraction form
    1,518,113.34/2,095,129.80 = 839,181.06/x
  3. Step 3: Cross multiply
    1,518,113.34x = 2,095,129.80 × 839,181.06
  4. Step 4: Simplify right side
    1,518,113.34x = 1,758,193,246,401.59
  5. Step 5: Solve for x
    x = 1,758,193,246,401.59/1,518,113.34
  6. Step 6: Final answer
    x = 1,158,143.60

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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.