Home / 810,586.09-1,216,011.27-249,620.59

Finding the Fourth Proportional to 810,586.09, 1,216,011.27 and 249,620.59

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Solution

The fourth proportional to 810,586.09, 1,216,011.27 and 249,620.59 is: 374,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,586.09 : 1,216,011.27 = 249,620.59 : x
  2. Step 2: Convert to fraction form
    810,586.09/1,216,011.27 = 249,620.59/x
  3. Step 3: Cross multiply
    810,586.09x = 1,216,011.27 × 249,620.59
  4. Step 4: Simplify right side
    810,586.09x = 303,541,452,652.10
  5. Step 5: Solve for x
    x = 303,541,452,652.10/810,586.09
  6. Step 6: Final answer
    x = 374,471.58

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Double scale
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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.