Home / 1,512,693.11-2,087,455.72-824,350.35

Finding the Fourth Proportional to 1,512,693.11, 2,087,455.72 and 824,350.35

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Solution

The fourth proportional to 1,512,693.11, 2,087,455.72 and 824,350.35 is: 1,137,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,693.11 : 2,087,455.72 = 824,350.35 : x
  2. Step 2: Convert to fraction form
    1,512,693.11/2,087,455.72 = 824,350.35/x
  3. Step 3: Cross multiply
    1,512,693.11x = 2,087,455.72 × 824,350.35
  4. Step 4: Simplify right side
    1,512,693.11x = 1,720,794,849,269.75
  5. Step 5: Solve for x
    x = 1,720,794,849,269.75/1,512,693.11
  6. Step 6: Final answer
    x = 1,137,570.36

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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.