Home / 1,216,319.60-1,822,405.80-1,004,812.40

Finding the Fourth Proportional to 1,216,319.60, 1,822,405.80 and 1,004,812.40

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Solution

The fourth proportional to 1,216,319.60, 1,822,405.80 and 1,004,812.40 is: 1,505,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,319.60 : 1,822,405.80 = 1,004,812.40 : x
  2. Step 2: Convert to fraction form
    1,216,319.60/1,822,405.80 = 1,004,812.40/x
  3. Step 3: Cross multiply
    1,216,319.60x = 1,822,405.80 × 1,004,812.40
  4. Step 4: Simplify right side
    1,216,319.60x = 1,831,175,945,671.92
  5. Step 5: Solve for x
    x = 1,831,175,945,671.92/1,216,319.60
  6. Step 6: Final answer
    x = 1,505,505.58

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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.