Home / 837,647.46-1,155,952.62-455,673.33

Finding the Fourth Proportional to 837,647.46, 1,155,952.62 and 455,673.33

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Solution

The fourth proportional to 837,647.46, 1,155,952.62 and 455,673.33 is: 628,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,647.46 : 1,155,952.62 = 455,673.33 : x
  2. Step 2: Convert to fraction form
    837,647.46/1,155,952.62 = 455,673.33/x
  3. Step 3: Cross multiply
    837,647.46x = 1,155,952.62 × 455,673.33
  4. Step 4: Simplify right side
    837,647.46x = 526,736,779,677.63
  5. Step 5: Solve for x
    x = 526,736,779,677.63/837,647.46
  6. Step 6: Final answer
    x = 628,828.72

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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.