Home / 1,623,297-2,240,157.54-907,905

Finding the Fourth Proportional to 1,623,297, 2,240,157.54 and 907,905

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Solution

The fourth proportional to 1,623,297, 2,240,157.54 and 907,905 is: 1,252,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,297 : 2,240,157.54 = 907,905 : x
  2. Step 2: Convert to fraction form
    1,623,297/2,240,157.54 = 907,905/x
  3. Step 3: Cross multiply
    1,623,297x = 2,240,157.54 × 907,905
  4. Step 4: Simplify right side
    1,623,297x = 2,033,850,231,353.70
  5. Step 5: Solve for x
    x = 2,033,850,231,353.70/1,623,297
  6. Step 6: Final answer
    x = 1,252,913.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.