Home / 1,207,352.80-1,808,955.60-574,904.80

Finding the Fourth Proportional to 1,207,352.80, 1,808,955.60 and 574,904.80

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Solution

The fourth proportional to 1,207,352.80, 1,808,955.60 and 574,904.80 is: 861,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,352.80 : 1,808,955.60 = 574,904.80 : x
  2. Step 2: Convert to fraction form
    1,207,352.80/1,808,955.60 = 574,904.80/x
  3. Step 3: Cross multiply
    1,207,352.80x = 1,808,955.60 × 574,904.80
  4. Step 4: Simplify right side
    1,207,352.80x = 1,039,977,257,426.88
  5. Step 5: Solve for x
    x = 1,039,977,257,426.88/1,207,352.80
  6. Step 6: Final answer
    x = 861,369.81

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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.