Home / 1,457,209.35-2,010,899.70-803,861.51

Finding the Fourth Proportional to 1,457,209.35, 2,010,899.70 and 803,861.51

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Solution

The fourth proportional to 1,457,209.35, 2,010,899.70 and 803,861.51 is: 1,109,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,209.35 : 2,010,899.70 = 803,861.51 : x
  2. Step 2: Convert to fraction form
    1,457,209.35/2,010,899.70 = 803,861.51/x
  3. Step 3: Cross multiply
    1,457,209.35x = 2,010,899.70 × 803,861.51
  4. Step 4: Simplify right side
    1,457,209.35x = 1,616,484,859,246.05
  5. Step 5: Solve for x
    x = 1,616,484,859,246.05/1,457,209.35
  6. Step 6: Final answer
    x = 1,109,301.73

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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.