Home / 1,328,654.94-1,989,986.01-617,185.77

Finding the Fourth Proportional to 1,328,654.94, 1,989,986.01 and 617,185.77

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Solution

The fourth proportional to 1,328,654.94, 1,989,986.01 and 617,185.77 is: 924,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,654.94 : 1,989,986.01 = 617,185.77 : x
  2. Step 2: Convert to fraction form
    1,328,654.94/1,989,986.01 = 617,185.77/x
  3. Step 3: Cross multiply
    1,328,654.94x = 1,989,986.01 × 617,185.77
  4. Step 4: Simplify right side
    1,328,654.94x = 1,228,191,047,871.08
  5. Step 5: Solve for x
    x = 1,228,191,047,871.08/1,328,654.94
  6. Step 6: Final answer
    x = 924,386.77

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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.