Home / 6,460,738.34-8,916,250.38-3,560,128.76

Finding the Fourth Proportional to 6,460,738.34, 8,916,250.38 and 3,560,128.76

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Solution

The fourth proportional to 6,460,738.34, 8,916,250.38 and 3,560,128.76 is: 4,913,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,460,738.34 : 8,916,250.38 = 3,560,128.76 : x
  2. Step 2: Convert to fraction form
    6,460,738.34/8,916,250.38 = 3,560,128.76/x
  3. Step 3: Cross multiply
    6,460,738.34x = 8,916,250.38 × 3,560,128.76
  4. Step 4: Simplify right side
    6,460,738.34x = 31,742,999,409,198.93
  5. Step 5: Solve for x
    x = 31,742,999,409,198.93/6,460,738.34
  6. Step 6: Final answer
    x = 4,913,215.45

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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.