Home / 926,902.68-1,279,115.82-519,008.28

Finding the Fourth Proportional to 926,902.68, 1,279,115.82 and 519,008.28

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Solution

The fourth proportional to 926,902.68, 1,279,115.82 and 519,008.28 is: 716,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,902.68 : 1,279,115.82 = 519,008.28 : x
  2. Step 2: Convert to fraction form
    926,902.68/1,279,115.82 = 519,008.28/x
  3. Step 3: Cross multiply
    926,902.68x = 1,279,115.82 × 519,008.28
  4. Step 4: Simplify right side
    926,902.68x = 663,871,701,658.99
  5. Step 5: Solve for x
    x = 663,871,701,658.99/926,902.68
  6. Step 6: Final answer
    x = 716,225.90

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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.