Home / 626,327.60-939,031.31-199,617.89

Finding the Fourth Proportional to 626,327.60, 939,031.31 and 199,617.89

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Solution

The fourth proportional to 626,327.60, 939,031.31 and 199,617.89 is: 299,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,327.60 : 939,031.31 = 199,617.89 : x
  2. Step 2: Convert to fraction form
    626,327.60/939,031.31 = 199,617.89/x
  3. Step 3: Cross multiply
    626,327.60x = 939,031.31 × 199,617.89
  4. Step 4: Simplify right side
    626,327.60x = 187,447,444,550.02
  5. Step 5: Solve for x
    x = 187,447,444,550.02/626,327.60
  6. Step 6: Final answer
    x = 299,280.19

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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.