Home / 837,501.12-1,155,742.83-455,527.80

Finding the Fourth Proportional to 837,501.12, 1,155,742.83 and 455,527.80

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Solution

The fourth proportional to 837,501.12, 1,155,742.83 and 455,527.80 is: 628,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,501.12 : 1,155,742.83 = 455,527.80 : x
  2. Step 2: Convert to fraction form
    837,501.12/1,155,742.83 = 455,527.80/x
  3. Step 3: Cross multiply
    837,501.12x = 1,155,742.83 × 455,527.80
  4. Step 4: Simplify right side
    837,501.12x = 526,472,988,715.67
  5. Step 5: Solve for x
    x = 526,472,988,715.67/837,501.12
  6. Step 6: Final answer
    x = 628,623.62

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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.