Home / 1,411,138.32-1,947,384.72-766,563.72

Finding the Fourth Proportional to 1,411,138.32, 1,947,384.72 and 766,563.72

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Solution

The fourth proportional to 1,411,138.32, 1,947,384.72 and 766,563.72 is: 1,057,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,138.32 : 1,947,384.72 = 766,563.72 : x
  2. Step 2: Convert to fraction form
    1,411,138.32/1,947,384.72 = 766,563.72/x
  3. Step 3: Cross multiply
    1,411,138.32x = 1,947,384.72 × 766,563.72
  4. Step 4: Simplify right side
    1,411,138.32x = 1,492,794,475,234.36
  5. Step 5: Solve for x
    x = 1,492,794,475,234.36/1,411,138.32
  6. Step 6: Final answer
    x = 1,057,865.45

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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.