Home / 837,403.84-1,155,584.10-455,430.52

Finding the Fourth Proportional to 837,403.84, 1,155,584.10 and 455,430.52

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Solution

The fourth proportional to 837,403.84, 1,155,584.10 and 455,430.52 is: 628,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,403.84 : 1,155,584.10 = 455,430.52 : x
  2. Step 2: Convert to fraction form
    837,403.84/1,155,584.10 = 455,430.52/x
  3. Step 3: Cross multiply
    837,403.84x = 1,155,584.10 × 455,430.52
  4. Step 4: Simplify right side
    837,403.84x = 526,288,267,566.73
  5. Step 5: Solve for x
    x = 526,288,267,566.73/837,403.84
  6. Step 6: Final answer
    x = 628,476.06

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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.