Home / 860,605.37-1,187,628.85-473,412.45

Finding the Fourth Proportional to 860,605.37, 1,187,628.85 and 473,412.45

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Solution

The fourth proportional to 860,605.37, 1,187,628.85 and 473,412.45 is: 653,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,605.37 : 1,187,628.85 = 473,412.45 : x
  2. Step 2: Convert to fraction form
    860,605.37/1,187,628.85 = 473,412.45/x
  3. Step 3: Cross multiply
    860,605.37x = 1,187,628.85 × 473,412.45
  4. Step 4: Simplify right side
    860,605.37x = 562,238,288,614.56
  5. Step 5: Solve for x
    x = 562,238,288,614.56/860,605.37
  6. Step 6: Final answer
    x = 653,305.58

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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.