Home / 756,561.65-1,044,039.51-412,394.63

Finding the Fourth Proportional to 756,561.65, 1,044,039.51 and 412,394.63

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Solution

The fourth proportional to 756,561.65, 1,044,039.51 and 412,394.63 is: 569,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,561.65 : 1,044,039.51 = 412,394.63 : x
  2. Step 2: Convert to fraction form
    756,561.65/1,044,039.51 = 412,394.63/x
  3. Step 3: Cross multiply
    756,561.65x = 1,044,039.51 × 412,394.63
  4. Step 4: Simplify right side
    756,561.65x = 430,556,282,211.63
  5. Step 5: Solve for x
    x = 430,556,282,211.63/756,561.65
  6. Step 6: Final answer
    x = 569,096.10

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1.5x scale

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.