Home / 1,078,563.20-1,617,844.80-1,064,566.40

Finding the Fourth Proportional to 1,078,563.20, 1,617,844.80 and 1,064,566.40

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Solution

The fourth proportional to 1,078,563.20, 1,617,844.80 and 1,064,566.40 is: 1,596,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,563.20 : 1,617,844.80 = 1,064,566.40 : x
  2. Step 2: Convert to fraction form
    1,078,563.20/1,617,844.80 = 1,064,566.40/x
  3. Step 3: Cross multiply
    1,078,563.20x = 1,617,844.80 × 1,064,566.40
  4. Step 4: Simplify right side
    1,078,563.20x = 1,722,303,214,494.72
  5. Step 5: Solve for x
    x = 1,722,303,214,494.72/1,078,563.20
  6. Step 6: Final answer
    x = 1,596,849.60

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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.