Home / 749,461.36-1,034,234.76-409,922.32

Finding the Fourth Proportional to 749,461.36, 1,034,234.76 and 409,922.32

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Solution

The fourth proportional to 749,461.36, 1,034,234.76 and 409,922.32 is: 565,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,461.36 : 1,034,234.76 = 409,922.32 : x
  2. Step 2: Convert to fraction form
    749,461.36/1,034,234.76 = 409,922.32/x
  3. Step 3: Cross multiply
    749,461.36x = 1,034,234.76 × 409,922.32
  4. Step 4: Simplify right side
    749,461.36x = 423,955,912,243.84
  5. Step 5: Solve for x
    x = 423,955,912,243.84/749,461.36
  6. Step 6: Final answer
    x = 565,680.81

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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.