Home / 939,111.30-1,408,653.18-650,656.80

Finding the Fourth Proportional to 939,111.30, 1,408,653.18 and 650,656.80

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Solution

The fourth proportional to 939,111.30, 1,408,653.18 and 650,656.80 is: 975,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,111.30 : 1,408,653.18 = 650,656.80 : x
  2. Step 2: Convert to fraction form
    939,111.30/1,408,653.18 = 650,656.80/x
  3. Step 3: Cross multiply
    939,111.30x = 1,408,653.18 × 650,656.80
  4. Step 4: Simplify right side
    939,111.30x = 916,549,770,408.62
  5. Step 5: Solve for x
    x = 916,549,770,408.62/939,111.30
  6. Step 6: Final answer
    x = 975,975.66

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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.