Home / 917,683.17-1,266,438.68-627,902.51

Finding the Fourth Proportional to 917,683.17, 1,266,438.68 and 627,902.51

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Solution

The fourth proportional to 917,683.17, 1,266,438.68 and 627,902.51 is: 866,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,683.17 : 1,266,438.68 = 627,902.51 : x
  2. Step 2: Convert to fraction form
    917,683.17/1,266,438.68 = 627,902.51/x
  3. Step 3: Cross multiply
    917,683.17x = 1,266,438.68 × 627,902.51
  4. Step 4: Simplify right side
    917,683.17x = 795,200,021,170.65
  5. Step 5: Solve for x
    x = 795,200,021,170.65/917,683.17
  6. Step 6: Final answer
    x = 866,530.03

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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.