Home / 1,370,848.72-1,891,980.16-854,686.34

Finding the Fourth Proportional to 1,370,848.72, 1,891,980.16 and 854,686.34

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Solution

The fourth proportional to 1,370,848.72, 1,891,980.16 and 854,686.34 is: 1,179,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,848.72 : 1,891,980.16 = 854,686.34 : x
  2. Step 2: Convert to fraction form
    1,370,848.72/1,891,980.16 = 854,686.34/x
  3. Step 3: Cross multiply
    1,370,848.72x = 1,891,980.16 × 854,686.34
  4. Step 4: Simplify right side
    1,370,848.72x = 1,617,049,598,303.01
  5. Step 5: Solve for x
    x = 1,617,049,598,303.01/1,370,848.72
  6. Step 6: Final answer
    x = 1,179,597.41

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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.