Home / 1,052,278.04-1,578,431.64-342,309.80

Finding the Fourth Proportional to 1,052,278.04, 1,578,431.64 and 342,309.80

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Solution

The fourth proportional to 1,052,278.04, 1,578,431.64 and 342,309.80 is: 513,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,278.04 : 1,578,431.64 = 342,309.80 : x
  2. Step 2: Convert to fraction form
    1,052,278.04/1,578,431.64 = 342,309.80/x
  3. Step 3: Cross multiply
    1,052,278.04x = 1,578,431.64 × 342,309.80
  4. Step 4: Simplify right side
    1,052,278.04x = 540,312,619,002.07
  5. Step 5: Solve for x
    x = 540,312,619,002.07/1,052,278.04
  6. Step 6: Final answer
    x = 513,469.44

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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.