Home / 814,715.60-1,223,239.80-460,421.60

Finding the Fourth Proportional to 814,715.60, 1,223,239.80 and 460,421.60

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Solution

The fourth proportional to 814,715.60, 1,223,239.80 and 460,421.60 is: 691,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,715.60 : 1,223,239.80 = 460,421.60 : x
  2. Step 2: Convert to fraction form
    814,715.60/1,223,239.80 = 460,421.60/x
  3. Step 3: Cross multiply
    814,715.60x = 1,223,239.80 × 460,421.60
  4. Step 4: Simplify right side
    814,715.60x = 563,206,025,899.68
  5. Step 5: Solve for x
    x = 563,206,025,899.68/814,715.60
  6. Step 6: Final answer
    x = 691,291.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.