Home / 1,078,739.80-1,617,720.90-546,083.80

Finding the Fourth Proportional to 1,078,739.80, 1,617,720.90 and 546,083.80

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Solution

The fourth proportional to 1,078,739.80, 1,617,720.90 and 546,083.80 is: 818,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,739.80 : 1,617,720.90 = 546,083.80 : x
  2. Step 2: Convert to fraction form
    1,078,739.80/1,617,720.90 = 546,083.80/x
  3. Step 3: Cross multiply
    1,078,739.80x = 1,617,720.90 × 546,083.80
  4. Step 4: Simplify right side
    1,078,739.80x = 883,411,176,411.42
  5. Step 5: Solve for x
    x = 883,411,176,411.42/1,078,739.80
  6. Step 6: Final answer
    x = 818,928.88

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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.