Home / 1,117,528.90-1,676,543.26-407,556.96

Finding the Fourth Proportional to 1,117,528.90, 1,676,543.26 and 407,556.96

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Solution

The fourth proportional to 1,117,528.90, 1,676,543.26 and 407,556.96 is: 611,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,528.90 : 1,676,543.26 = 407,556.96 : x
  2. Step 2: Convert to fraction form
    1,117,528.90/1,676,543.26 = 407,556.96/x
  3. Step 3: Cross multiply
    1,117,528.90x = 1,676,543.26 × 407,556.96
  4. Step 4: Simplify right side
    1,117,528.90x = 683,286,874,354.09
  5. Step 5: Solve for x
    x = 683,286,874,354.09/1,117,528.90
  6. Step 6: Final answer
    x = 611,426.58

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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.