Home / 860,605.77-1,187,629.40-473,412.86

Finding the Fourth Proportional to 860,605.77, 1,187,629.40 and 473,412.86

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Solution

The fourth proportional to 860,605.77, 1,187,629.40 and 473,412.86 is: 653,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,605.77 : 1,187,629.40 = 473,412.86 : x
  2. Step 2: Convert to fraction form
    860,605.77/1,187,629.40 = 473,412.86/x
  3. Step 3: Cross multiply
    860,605.77x = 1,187,629.40 × 473,412.86
  4. Step 4: Simplify right side
    860,605.77x = 562,239,022,568.87
  5. Step 5: Solve for x
    x = 562,239,022,568.87/860,605.77
  6. Step 6: Final answer
    x = 653,306.13

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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.