Home / 1,184,385.85-1,634,447.77-640,522.23

Finding the Fourth Proportional to 1,184,385.85, 1,634,447.77 and 640,522.23

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Solution

The fourth proportional to 1,184,385.85, 1,634,447.77 and 640,522.23 is: 883,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,385.85 : 1,634,447.77 = 640,522.23 : x
  2. Step 2: Convert to fraction form
    1,184,385.85/1,634,447.77 = 640,522.23/x
  3. Step 3: Cross multiply
    1,184,385.85x = 1,634,447.77 × 640,522.23
  4. Step 4: Simplify right side
    1,184,385.85x = 1,046,900,131,922.21
  5. Step 5: Solve for x
    x = 1,046,900,131,922.21/1,184,385.85
  6. Step 6: Final answer
    x = 883,918.14

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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.