Home / 1,085,987.85-1,498,703.48-656,184.84

Finding the Fourth Proportional to 1,085,987.85, 1,498,703.48 and 656,184.84

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Solution

The fourth proportional to 1,085,987.85, 1,498,703.48 and 656,184.84 is: 905,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,987.85 : 1,498,703.48 = 656,184.84 : x
  2. Step 2: Convert to fraction form
    1,085,987.85/1,498,703.48 = 656,184.84/x
  3. Step 3: Cross multiply
    1,085,987.85x = 1,498,703.48 × 656,184.84
  4. Step 4: Simplify right side
    1,085,987.85x = 983,426,503,231.24
  5. Step 5: Solve for x
    x = 983,426,503,231.24/1,085,987.85
  6. Step 6: Final answer
    x = 905,559.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.