Home / 1,457,450.13-2,011,283.88-812,911.89

Finding the Fourth Proportional to 1,457,450.13, 2,011,283.88 and 812,911.89

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Solution

The fourth proportional to 1,457,450.13, 2,011,283.88 and 812,911.89 is: 1,121,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,450.13 : 2,011,283.88 = 812,911.89 : x
  2. Step 2: Convert to fraction form
    1,457,450.13/2,011,283.88 = 812,911.89/x
  3. Step 3: Cross multiply
    1,457,450.13x = 2,011,283.88 × 812,911.89
  4. Step 4: Simplify right side
    1,457,450.13x = 1,634,996,580,217.33
  5. Step 5: Solve for x
    x = 1,634,996,580,217.33/1,457,450.13
  6. Step 6: Final answer
    x = 1,121,819.91

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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.