Home / 837,358.88-1,155,544.28-455,377.52

Finding the Fourth Proportional to 837,358.88, 1,155,544.28 and 455,377.52

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Solution

The fourth proportional to 837,358.88, 1,155,544.28 and 455,377.52 is: 628,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,358.88 : 1,155,544.28 = 455,377.52 : x
  2. Step 2: Convert to fraction form
    837,358.88/1,155,544.28 = 455,377.52/x
  3. Step 3: Cross multiply
    837,358.88x = 1,155,544.28 × 455,377.52
  4. Step 4: Simplify right side
    837,358.88x = 526,208,888,476.59
  5. Step 5: Solve for x
    x = 526,208,888,476.59/837,358.88
  6. Step 6: Final answer
    x = 628,415.01

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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.