Home / 1,186,311.50-1,779,186.01-512,024.54

Finding the Fourth Proportional to 1,186,311.50, 1,779,186.01 and 512,024.54

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Solution

The fourth proportional to 1,186,311.50, 1,779,186.01 and 512,024.54 is: 767,915.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,311.50 : 1,779,186.01 = 512,024.54 : x
  2. Step 2: Convert to fraction form
    1,186,311.50/1,779,186.01 = 512,024.54/x
  3. Step 3: Cross multiply
    1,186,311.50x = 1,779,186.01 × 512,024.54
  4. Step 4: Simplify right side
    1,186,311.50x = 910,986,899,136.66
  5. Step 5: Solve for x
    x = 910,986,899,136.66/1,186,311.50
  6. Step 6: Final answer
    x = 767,915.43

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1.5x scale

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.