Home / 837,091.52-1,155,197.67-455,117.39

Finding the Fourth Proportional to 837,091.52, 1,155,197.67 and 455,117.39

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Solution

The fourth proportional to 837,091.52, 1,155,197.67 and 455,117.39 is: 628,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,091.52 : 1,155,197.67 = 455,117.39 : x
  2. Step 2: Convert to fraction form
    837,091.52/1,155,197.67 = 455,117.39/x
  3. Step 3: Cross multiply
    837,091.52x = 1,155,197.67 × 455,117.39
  4. Step 4: Simplify right side
    837,091.52x = 525,750,548,504.48
  5. Step 5: Solve for x
    x = 525,750,548,504.48/837,091.52
  6. Step 6: Final answer
    x = 628,068.18

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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.