Home / 1,314,380.40-1,970,477.10-556,803.60

Finding the Fourth Proportional to 1,314,380.40, 1,970,477.10 and 556,803.60

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Solution

The fourth proportional to 1,314,380.40, 1,970,477.10 and 556,803.60 is: 834,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,380.40 : 1,970,477.10 = 556,803.60 : x
  2. Step 2: Convert to fraction form
    1,314,380.40/1,970,477.10 = 556,803.60/x
  3. Step 3: Cross multiply
    1,314,380.40x = 1,970,477.10 × 556,803.60
  4. Step 4: Simplify right side
    1,314,380.40x = 1,097,168,742,997.56
  5. Step 5: Solve for x
    x = 1,097,168,742,997.56/1,314,380.40
  6. Step 6: Final answer
    x = 834,742.17

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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.