Home / 1,355,863.92-2,033,807.40-344,986.80

Finding the Fourth Proportional to 1,355,863.92, 2,033,807.40 and 344,986.80

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Solution

The fourth proportional to 1,355,863.92, 2,033,807.40 and 344,986.80 is: 517,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,863.92 : 2,033,807.40 = 344,986.80 : x
  2. Step 2: Convert to fraction form
    1,355,863.92/2,033,807.40 = 344,986.80/x
  3. Step 3: Cross multiply
    1,355,863.92x = 2,033,807.40 × 344,986.80
  4. Step 4: Simplify right side
    1,355,863.92x = 701,636,706,742.32
  5. Step 5: Solve for x
    x = 701,636,706,742.32/1,355,863.92
  6. Step 6: Final answer
    x = 517,483.13

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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.