Home / 630,532.24-870,127.26-344,057.11

Finding the Fourth Proportional to 630,532.24, 870,127.26 and 344,057.11

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Solution

The fourth proportional to 630,532.24, 870,127.26 and 344,057.11 is: 474,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,532.24 : 870,127.26 = 344,057.11 : x
  2. Step 2: Convert to fraction form
    630,532.24/870,127.26 = 344,057.11/x
  3. Step 3: Cross multiply
    630,532.24x = 870,127.26 × 344,057.11
  4. Step 4: Simplify right side
    630,532.24x = 299,373,470,407.82
  5. Step 5: Solve for x
    x = 299,373,470,407.82/630,532.24
  6. Step 6: Final answer
    x = 474,794.87

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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.