Home / 1,103,821.84-1,655,412.96-429,752.92

Finding the Fourth Proportional to 1,103,821.84, 1,655,412.96 and 429,752.92

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Solution

The fourth proportional to 1,103,821.84, 1,655,412.96 and 429,752.92 is: 644,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,821.84 : 1,655,412.96 = 429,752.92 : x
  2. Step 2: Convert to fraction form
    1,103,821.84/1,655,412.96 = 429,752.92/x
  3. Step 3: Cross multiply
    1,103,821.84x = 1,655,412.96 × 429,752.92
  4. Step 4: Simplify right side
    1,103,821.84x = 711,418,553,365.84
  5. Step 5: Solve for x
    x = 711,418,553,365.84/1,103,821.84
  6. Step 6: Final answer
    x = 644,504.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.