Home / 1,410,874.32-1,947,012.14-766,305.28

Finding the Fourth Proportional to 1,410,874.32, 1,947,012.14 and 766,305.28

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Solution

The fourth proportional to 1,410,874.32, 1,947,012.14 and 766,305.28 is: 1,057,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,874.32 : 1,947,012.14 = 766,305.28 : x
  2. Step 2: Convert to fraction form
    1,410,874.32/1,947,012.14 = 766,305.28/x
  3. Step 3: Cross multiply
    1,410,874.32x = 1,947,012.14 × 766,305.28
  4. Step 4: Simplify right side
    1,410,874.32x = 1,492,005,683,106.10
  5. Step 5: Solve for x
    x = 1,492,005,683,106.10/1,410,874.32
  6. Step 6: Final answer
    x = 1,057,504.32

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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.