Home / 1,038,178.80-1,557,559.80-505,717.20

Finding the Fourth Proportional to 1,038,178.80, 1,557,559.80 and 505,717.20

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Solution

The fourth proportional to 1,038,178.80, 1,557,559.80 and 505,717.20 is: 758,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,178.80 : 1,557,559.80 = 505,717.20 : x
  2. Step 2: Convert to fraction form
    1,038,178.80/1,557,559.80 = 505,717.20/x
  3. Step 3: Cross multiply
    1,038,178.80x = 1,557,559.80 × 505,717.20
  4. Step 4: Simplify right side
    1,038,178.80x = 787,684,780,888.56
  5. Step 5: Solve for x
    x = 787,684,780,888.56/1,038,178.80
  6. Step 6: Final answer
    x = 758,717.84

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1.5x scale

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.