Home / 733,988.04-1,012,911.96-407,307.72

Finding the Fourth Proportional to 733,988.04, 1,012,911.96 and 407,307.72

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Solution

The fourth proportional to 733,988.04, 1,012,911.96 and 407,307.72 is: 562,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,988.04 : 1,012,911.96 = 407,307.72 : x
  2. Step 2: Convert to fraction form
    733,988.04/1,012,911.96 = 407,307.72/x
  3. Step 3: Cross multiply
    733,988.04x = 1,012,911.96 × 407,307.72
  4. Step 4: Simplify right side
    733,988.04x = 412,566,860,988.33
  5. Step 5: Solve for x
    x = 412,566,860,988.33/733,988.04
  6. Step 6: Final answer
    x = 562,089.35

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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.