Home / 837,530.61-1,155,795.66-455,559.72

Finding the Fourth Proportional to 837,530.61, 1,155,795.66 and 455,559.72

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Solution

The fourth proportional to 837,530.61, 1,155,795.66 and 455,559.72 is: 628,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,530.61 : 1,155,795.66 = 455,559.72 : x
  2. Step 2: Convert to fraction form
    837,530.61/1,155,795.66 = 455,559.72/x
  3. Step 3: Cross multiply
    837,530.61x = 1,155,795.66 × 455,559.72
  4. Step 4: Simplify right side
    837,530.61x = 526,533,947,246.82
  5. Step 5: Solve for x
    x = 526,533,947,246.82/837,530.61
  6. Step 6: Final answer
    x = 628,674.27

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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.