Home / 1,210,666.32-1,670,573.21-694,393.58

Finding the Fourth Proportional to 1,210,666.32, 1,670,573.21 and 694,393.58

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Solution

The fourth proportional to 1,210,666.32, 1,670,573.21 and 694,393.58 is: 958,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,666.32 : 1,670,573.21 = 694,393.58 : x
  2. Step 2: Convert to fraction form
    1,210,666.32/1,670,573.21 = 694,393.58/x
  3. Step 3: Cross multiply
    1,210,666.32x = 1,670,573.21 × 694,393.58
  4. Step 4: Simplify right side
    1,210,666.32x = 1,160,035,300,119.16
  5. Step 5: Solve for x
    x = 1,160,035,300,119.16/1,210,666.32
  6. Step 6: Final answer
    x = 958,179.21

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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.