Home / 939,778.38-1,296,895.32-510,058.44

Finding the Fourth Proportional to 939,778.38, 1,296,895.32 and 510,058.44

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Solution

The fourth proportional to 939,778.38, 1,296,895.32 and 510,058.44 is: 703,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,778.38 : 1,296,895.32 = 510,058.44 : x
  2. Step 2: Convert to fraction form
    939,778.38/1,296,895.32 = 510,058.44/x
  3. Step 3: Cross multiply
    939,778.38x = 1,296,895.32 × 510,058.44
  4. Step 4: Simplify right side
    939,778.38x = 661,492,403,762.50
  5. Step 5: Solve for x
    x = 661,492,403,762.50/939,778.38
  6. Step 6: Final answer
    x = 703,881.27

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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.