Home / 837,511.65-1,155,759.64-455,538.74

Finding the Fourth Proportional to 837,511.65, 1,155,759.64 and 455,538.74

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Solution

The fourth proportional to 837,511.65, 1,155,759.64 and 455,538.74 is: 628,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,511.65 : 1,155,759.64 = 455,538.74 : x
  2. Step 2: Convert to fraction form
    837,511.65/1,155,759.64 = 455,538.74/x
  3. Step 3: Cross multiply
    837,511.65x = 1,155,759.64 × 455,538.74
  4. Step 4: Simplify right side
    837,511.65x = 526,493,283,230.81
  5. Step 5: Solve for x
    x = 526,493,283,230.81/837,511.65
  6. Step 6: Final answer
    x = 628,639.95

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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.