Home / 850,631.90-1,173,872.07-468,655.34

Finding the Fourth Proportional to 850,631.90, 1,173,872.07 and 468,655.34

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Solution

The fourth proportional to 850,631.90, 1,173,872.07 and 468,655.34 is: 646,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,631.90 : 1,173,872.07 = 468,655.34 : x
  2. Step 2: Convert to fraction form
    850,631.90/1,173,872.07 = 468,655.34/x
  3. Step 3: Cross multiply
    850,631.90x = 1,173,872.07 × 468,655.34
  4. Step 4: Simplify right side
    850,631.90x = 550,141,408,212.99
  5. Step 5: Solve for x
    x = 550,141,408,212.99/850,631.90
  6. Step 6: Final answer
    x = 646,744.39

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1.5x scale

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.