Home / 734,543.98-1,013,720.90-407,873.86

Finding the Fourth Proportional to 734,543.98, 1,013,720.90 and 407,873.86

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Solution

The fourth proportional to 734,543.98, 1,013,720.90 and 407,873.86 is: 562,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,543.98 : 1,013,720.90 = 407,873.86 : x
  2. Step 2: Convert to fraction form
    734,543.98/1,013,720.90 = 407,873.86/x
  3. Step 3: Cross multiply
    734,543.98x = 1,013,720.90 × 407,873.86
  4. Step 4: Simplify right side
    734,543.98x = 413,470,256,445.67
  5. Step 5: Solve for x
    x = 413,470,256,445.67/734,543.98
  6. Step 6: Final answer
    x = 562,893.81

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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.