Home / 968,714.49-1,337,011.11-641,450.29

Finding the Fourth Proportional to 968,714.49, 1,337,011.11 and 641,450.29

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Solution

The fourth proportional to 968,714.49, 1,337,011.11 and 641,450.29 is: 885,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,714.49 : 1,337,011.11 = 641,450.29 : x
  2. Step 2: Convert to fraction form
    968,714.49/1,337,011.11 = 641,450.29/x
  3. Step 3: Cross multiply
    968,714.49x = 1,337,011.11 × 641,450.29
  4. Step 4: Simplify right side
    968,714.49x = 857,626,164,242.72
  5. Step 5: Solve for x
    x = 857,626,164,242.72/968,714.49
  6. Step 6: Final answer
    x = 885,323.98

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Double scale
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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.