Home / 734,220.86-1,013,285.85-407,564.61

Finding the Fourth Proportional to 734,220.86, 1,013,285.85 and 407,564.61

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Solution

The fourth proportional to 734,220.86, 1,013,285.85 and 407,564.61 is: 562,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,220.86 : 1,013,285.85 = 407,564.61 : x
  2. Step 2: Convert to fraction form
    734,220.86/1,013,285.85 = 407,564.61/x
  3. Step 3: Cross multiply
    734,220.86x = 1,013,285.85 × 407,564.61
  4. Step 4: Simplify right side
    734,220.86x = 412,979,454,937.86
  5. Step 5: Solve for x
    x = 412,979,454,937.86/734,220.86
  6. Step 6: Final answer
    x = 562,473.07

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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.