Home / 837,410.84-1,155,593.76-455,437.52

Finding the Fourth Proportional to 837,410.84, 1,155,593.76 and 455,437.52

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Solution

The fourth proportional to 837,410.84, 1,155,593.76 and 455,437.52 is: 628,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,410.84 : 1,155,593.76 = 455,437.52 : x
  2. Step 2: Convert to fraction form
    837,410.84/1,155,593.76 = 455,437.52/x
  3. Step 3: Cross multiply
    837,410.84x = 1,155,593.76 × 455,437.52
  4. Step 4: Simplify right side
    837,410.84x = 526,300,756,181.88
  5. Step 5: Solve for x
    x = 526,300,756,181.88/837,410.84
  6. Step 6: Final answer
    x = 628,485.72

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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.