Home / 1,397,819.06-2,096,495.02-387,043.19

Finding the Fourth Proportional to 1,397,819.06, 2,096,495.02 and 387,043.19

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Solution

The fourth proportional to 1,397,819.06, 2,096,495.02 and 387,043.19 is: 580,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,819.06 : 2,096,495.02 = 387,043.19 : x
  2. Step 2: Convert to fraction form
    1,397,819.06/2,096,495.02 = 387,043.19/x
  3. Step 3: Cross multiply
    1,397,819.06x = 2,096,495.02 × 387,043.19
  4. Step 4: Simplify right side
    1,397,819.06x = 811,434,108,909.83
  5. Step 5: Solve for x
    x = 811,434,108,909.83/1,397,819.06
  6. Step 6: Final answer
    x = 580,500.11

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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.