Home / 968,789.10-1,337,113.98-641,525.28

Finding the Fourth Proportional to 968,789.10, 1,337,113.98 and 641,525.28

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Solution

The fourth proportional to 968,789.10, 1,337,113.98 and 641,525.28 is: 885,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,789.10 : 1,337,113.98 = 641,525.28 : x
  2. Step 2: Convert to fraction form
    968,789.10/1,337,113.98 = 641,525.28/x
  3. Step 3: Cross multiply
    968,789.10x = 1,337,113.98 × 641,525.28
  4. Step 4: Simplify right side
    968,789.10x = 857,792,420,411.41
  5. Step 5: Solve for x
    x = 857,792,420,411.41/968,789.10
  6. Step 6: Final answer
    x = 885,427.41

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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.