Home / 1,079,031.10-1,489,099-589,029.70

Finding the Fourth Proportional to 1,079,031.10, 1,489,099 and 589,029.70

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Solution

The fourth proportional to 1,079,031.10, 1,489,099 and 589,029.70 is: 812,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,031.10 : 1,489,099 = 589,029.70 : x
  2. Step 2: Convert to fraction form
    1,079,031.10/1,489,099 = 589,029.70/x
  3. Step 3: Cross multiply
    1,079,031.10x = 1,489,099 × 589,029.70
  4. Step 4: Simplify right side
    1,079,031.10x = 877,123,537,240.30
  5. Step 5: Solve for x
    x = 877,123,537,240.30/1,079,031.10
  6. Step 6: Final answer
    x = 812,880.68

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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.