Home / 872,895.89-1,204,415.70-510,249.62

Finding the Fourth Proportional to 872,895.89, 1,204,415.70 and 510,249.62

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Solution

The fourth proportional to 872,895.89, 1,204,415.70 and 510,249.62 is: 704,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,895.89 : 1,204,415.70 = 510,249.62 : x
  2. Step 2: Convert to fraction form
    872,895.89/1,204,415.70 = 510,249.62/x
  3. Step 3: Cross multiply
    872,895.89x = 1,204,415.70 × 510,249.62
  4. Step 4: Simplify right side
    872,895.89x = 614,552,653,247.03
  5. Step 5: Solve for x
    x = 614,552,653,247.03/872,895.89
  6. Step 6: Final answer
    x = 704,038.89

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1.5x scale

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.