Home / 734,345.82-1,013,344.08-407,676.38

Finding the Fourth Proportional to 734,345.82, 1,013,344.08 and 407,676.38

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Solution

The fourth proportional to 734,345.82, 1,013,344.08 and 407,676.38 is: 562,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,345.82 : 1,013,344.08 = 407,676.38 : x
  2. Step 2: Convert to fraction form
    734,345.82/1,013,344.08 = 407,676.38/x
  3. Step 3: Cross multiply
    734,345.82x = 1,013,344.08 × 407,676.38
  4. Step 4: Simplify right side
    734,345.82x = 413,116,441,162.11
  5. Step 5: Solve for x
    x = 413,116,441,162.11/734,345.82
  6. Step 6: Final answer
    x = 562,563.89

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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.