Home / 1,221,441.60-1,831,303.96-538,004.12

Finding the Fourth Proportional to 1,221,441.60, 1,831,303.96 and 538,004.12

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Solution

The fourth proportional to 1,221,441.60, 1,831,303.96 and 538,004.12 is: 806,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,441.60 : 1,831,303.96 = 538,004.12 : x
  2. Step 2: Convert to fraction form
    1,221,441.60/1,831,303.96 = 538,004.12/x
  3. Step 3: Cross multiply
    1,221,441.60x = 1,831,303.96 × 538,004.12
  4. Step 4: Simplify right side
    1,221,441.60x = 985,249,075,452.32
  5. Step 5: Solve for x
    x = 985,249,075,452.32/1,221,441.60
  6. Step 6: Final answer
    x = 806,628.07

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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.