Home / 1,100,782.90-1,649,862.15-461,085.40

Finding the Fourth Proportional to 1,100,782.90, 1,649,862.15 and 461,085.40

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Solution

The fourth proportional to 1,100,782.90, 1,649,862.15 and 461,085.40 is: 691,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,782.90 : 1,649,862.15 = 461,085.40 : x
  2. Step 2: Convert to fraction form
    1,100,782.90/1,649,862.15 = 461,085.40/x
  3. Step 3: Cross multiply
    1,100,782.90x = 1,649,862.15 × 461,085.40
  4. Step 4: Simplify right side
    1,100,782.90x = 760,727,349,377.61
  5. Step 5: Solve for x
    x = 760,727,349,377.61/1,100,782.90
  6. Step 6: Final answer
    x = 691,078.46

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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.