Home / 862,888.03-1,190,826-480,917.53

Finding the Fourth Proportional to 862,888.03, 1,190,826 and 480,917.53

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Solution

The fourth proportional to 862,888.03, 1,190,826 and 480,917.53 is: 663,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,888.03 : 1,190,826 = 480,917.53 : x
  2. Step 2: Convert to fraction form
    862,888.03/1,190,826 = 480,917.53/x
  3. Step 3: Cross multiply
    862,888.03x = 1,190,826 × 480,917.53
  4. Step 4: Simplify right side
    862,888.03x = 572,689,098,579.78
  5. Step 5: Solve for x
    x = 572,689,098,579.78/862,888.03
  6. Step 6: Final answer
    x = 663,688.77

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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.