Home / 1,447,298.21-1,994,964.58-1,140,875.21

Finding the Fourth Proportional to 1,447,298.21, 1,994,964.58 and 1,140,875.21

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Solution

The fourth proportional to 1,447,298.21, 1,994,964.58 and 1,140,875.21 is: 1,572,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,298.21 : 1,994,964.58 = 1,140,875.21 : x
  2. Step 2: Convert to fraction form
    1,447,298.21/1,994,964.58 = 1,140,875.21/x
  3. Step 3: Cross multiply
    1,447,298.21x = 1,994,964.58 × 1,140,875.21
  4. Step 4: Simplify right side
    1,447,298.21x = 2,276,005,634,150.06
  5. Step 5: Solve for x
    x = 2,276,005,634,150.06/1,447,298.21
  6. Step 6: Final answer
    x = 1,572,589.27

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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.