Home / 1,761,457.28-2,430,960.96-997,646.72

Finding the Fourth Proportional to 1,761,457.28, 2,430,960.96 and 997,646.72

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Solution

The fourth proportional to 1,761,457.28, 2,430,960.96 and 997,646.72 is: 1,376,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,457.28 : 2,430,960.96 = 997,646.72 : x
  2. Step 2: Convert to fraction form
    1,761,457.28/2,430,960.96 = 997,646.72/x
  3. Step 3: Cross multiply
    1,761,457.28x = 2,430,960.96 × 997,646.72
  4. Step 4: Simplify right side
    1,761,457.28x = 2,425,240,228,192.05
  5. Step 5: Solve for x
    x = 2,425,240,228,192.05/1,761,457.28
  6. Step 6: Final answer
    x = 1,376,837.38

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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.