Home / 934,929.19-1,401,286.38-429,063.94

Finding the Fourth Proportional to 934,929.19, 1,401,286.38 and 429,063.94

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Solution

The fourth proportional to 934,929.19, 1,401,286.38 and 429,063.94 is: 643,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,929.19 : 1,401,286.38 = 429,063.94 : x
  2. Step 2: Convert to fraction form
    934,929.19/1,401,286.38 = 429,063.94/x
  3. Step 3: Cross multiply
    934,929.19x = 1,401,286.38 × 429,063.94
  4. Step 4: Simplify right side
    934,929.19x = 601,241,455,271.14
  5. Step 5: Solve for x
    x = 601,241,455,271.14/934,929.19
  6. Step 6: Final answer
    x = 643,087.69

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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.