Home / 1,619,491.40-2,429,237.10-554,438.60

Finding the Fourth Proportional to 1,619,491.40, 2,429,237.10 and 554,438.60

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Solution

The fourth proportional to 1,619,491.40, 2,429,237.10 and 554,438.60 is: 831,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,491.40 : 2,429,237.10 = 554,438.60 : x
  2. Step 2: Convert to fraction form
    1,619,491.40/2,429,237.10 = 554,438.60/x
  3. Step 3: Cross multiply
    1,619,491.40x = 2,429,237.10 × 554,438.60
  4. Step 4: Simplify right side
    1,619,491.40x = 1,346,862,816,792.06
  5. Step 5: Solve for x
    x = 1,346,862,816,792.06/1,619,491.40
  6. Step 6: Final answer
    x = 831,657.90

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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.