Home / 1,018,713.20-1,526,953.80-512,466.80

Finding the Fourth Proportional to 1,018,713.20, 1,526,953.80 and 512,466.80

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Solution

The fourth proportional to 1,018,713.20, 1,526,953.80 and 512,466.80 is: 768,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,713.20 : 1,526,953.80 = 512,466.80 : x
  2. Step 2: Convert to fraction form
    1,018,713.20/1,526,953.80 = 512,466.80/x
  3. Step 3: Cross multiply
    1,018,713.20x = 1,526,953.80 × 512,466.80
  4. Step 4: Simplify right side
    1,018,713.20x = 782,513,127,633.84
  5. Step 5: Solve for x
    x = 782,513,127,633.84/1,018,713.20
  6. Step 6: Final answer
    x = 768,138.79

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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.