Home / 934,628.84-1,289,814.54-521,175.16

Finding the Fourth Proportional to 934,628.84, 1,289,814.54 and 521,175.16

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Solution

The fourth proportional to 934,628.84, 1,289,814.54 and 521,175.16 is: 719,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,628.84 : 1,289,814.54 = 521,175.16 : x
  2. Step 2: Convert to fraction form
    934,628.84/1,289,814.54 = 521,175.16/x
  3. Step 3: Cross multiply
    934,628.84x = 1,289,814.54 × 521,175.16
  4. Step 4: Simplify right side
    934,628.84x = 672,219,299,254.83
  5. Step 5: Solve for x
    x = 672,219,299,254.83/934,628.84
  6. Step 6: Final answer
    x = 719,236.63

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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.