Home / 1,117,281.21-1,675,937.41-318,563.07

Finding the Fourth Proportional to 1,117,281.21, 1,675,937.41 and 318,563.07

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Solution

The fourth proportional to 1,117,281.21, 1,675,937.41 and 318,563.07 is: 477,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,281.21 : 1,675,937.41 = 318,563.07 : x
  2. Step 2: Convert to fraction form
    1,117,281.21/1,675,937.41 = 318,563.07/x
  3. Step 3: Cross multiply
    1,117,281.21x = 1,675,937.41 × 318,563.07
  4. Step 4: Simplify right side
    1,117,281.21x = 533,891,759,376.28
  5. Step 5: Solve for x
    x = 533,891,759,376.28/1,117,281.21
  6. Step 6: Final answer
    x = 477,849.05

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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.