Home / 734,337.79-1,013,394.32-407,672.89

Finding the Fourth Proportional to 734,337.79, 1,013,394.32 and 407,672.89

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Solution

The fourth proportional to 734,337.79, 1,013,394.32 and 407,672.89 is: 562,593.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,337.79 : 1,013,394.32 = 407,672.89 : x
  2. Step 2: Convert to fraction form
    734,337.79/1,013,394.32 = 407,672.89/x
  3. Step 3: Cross multiply
    734,337.79x = 1,013,394.32 × 407,672.89
  4. Step 4: Simplify right side
    734,337.79x = 413,133,391,143.99
  5. Step 5: Solve for x
    x = 413,133,391,143.99/734,337.79
  6. Step 6: Final answer
    x = 562,593.12

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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.