Home / 860,429.64-1,187,421.66-473,261.37

Finding the Fourth Proportional to 860,429.64, 1,187,421.66 and 473,261.37

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Solution

The fourth proportional to 860,429.64, 1,187,421.66 and 473,261.37 is: 653,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,429.64 : 1,187,421.66 = 473,261.37 : x
  2. Step 2: Convert to fraction form
    860,429.64/1,187,421.66 = 473,261.37/x
  3. Step 3: Cross multiply
    860,429.64x = 1,187,421.66 × 473,261.37
  4. Step 4: Simplify right side
    860,429.64x = 561,960,801,579.27
  5. Step 5: Solve for x
    x = 561,960,801,579.27/860,429.64
  6. Step 6: Final answer
    x = 653,116.51

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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.