Home / 929,816.91-1,282,985.16-521,935.94

Finding the Fourth Proportional to 929,816.91, 1,282,985.16 and 521,935.94

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Solution

The fourth proportional to 929,816.91, 1,282,985.16 and 521,935.94 is: 720,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,816.91 : 1,282,985.16 = 521,935.94 : x
  2. Step 2: Convert to fraction form
    929,816.91/1,282,985.16 = 521,935.94/x
  3. Step 3: Cross multiply
    929,816.91x = 1,282,985.16 × 521,935.94
  4. Step 4: Simplify right side
    929,816.91x = 669,636,059,075.73
  5. Step 5: Solve for x
    x = 669,636,059,075.73/929,816.91
  6. Step 6: Final answer
    x = 720,180.56

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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.