Home / 1,685,716.31-2,528,576.90-688,444.31

Finding the Fourth Proportional to 1,685,716.31, 2,528,576.90 and 688,444.31

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Solution

The fourth proportional to 1,685,716.31, 2,528,576.90 and 688,444.31 is: 1,032,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,716.31 : 2,528,576.90 = 688,444.31 : x
  2. Step 2: Convert to fraction form
    1,685,716.31/2,528,576.90 = 688,444.31/x
  3. Step 3: Cross multiply
    1,685,716.31x = 2,528,576.90 × 688,444.31
  4. Step 4: Simplify right side
    1,685,716.31x = 1,740,784,384,663.33
  5. Step 5: Solve for x
    x = 1,740,784,384,663.33/1,685,716.31
  6. Step 6: Final answer
    x = 1,032,667.46

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Similar ratio
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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.