Home / 1,078,113.20-1,617,169.80-1,064,116.40

Finding the Fourth Proportional to 1,078,113.20, 1,617,169.80 and 1,064,116.40

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Solution

The fourth proportional to 1,078,113.20, 1,617,169.80 and 1,064,116.40 is: 1,596,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,113.20 : 1,617,169.80 = 1,064,116.40 : x
  2. Step 2: Convert to fraction form
    1,078,113.20/1,617,169.80 = 1,064,116.40/x
  3. Step 3: Cross multiply
    1,078,113.20x = 1,617,169.80 × 1,064,116.40
  4. Step 4: Simplify right side
    1,078,113.20x = 1,720,856,905,764.72
  5. Step 5: Solve for x
    x = 1,720,856,905,764.72/1,078,113.20
  6. Step 6: Final answer
    x = 1,596,174.60

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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.