Home / 837,223.09-1,155,373.88-455,247.14

Finding the Fourth Proportional to 837,223.09, 1,155,373.88 and 455,247.14

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Solution

The fourth proportional to 837,223.09, 1,155,373.88 and 455,247.14 is: 628,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,223.09 : 1,155,373.88 = 455,247.14 : x
  2. Step 2: Convert to fraction form
    837,223.09/1,155,373.88 = 455,247.14/x
  3. Step 3: Cross multiply
    837,223.09x = 1,155,373.88 × 455,247.14
  4. Step 4: Simplify right side
    837,223.09x = 525,980,646,447.60
  5. Step 5: Solve for x
    x = 525,980,646,447.60/837,223.09
  6. Step 6: Final answer
    x = 628,244.32

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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.