Home / 818,238.10-1,128,586.90-546,168.82

Finding the Fourth Proportional to 818,238.10, 1,128,586.90 and 546,168.82

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Solution

The fourth proportional to 818,238.10, 1,128,586.90 and 546,168.82 is: 753,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,238.10 : 1,128,586.90 = 546,168.82 : x
  2. Step 2: Convert to fraction form
    818,238.10/1,128,586.90 = 546,168.82/x
  3. Step 3: Cross multiply
    818,238.10x = 1,128,586.90 × 546,168.82
  4. Step 4: Simplify right side
    818,238.10x = 616,398,975,440.46
  5. Step 5: Solve for x
    x = 616,398,975,440.46/818,238.10
  6. Step 6: Final answer
    x = 753,324.71

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Double scale
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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.