Home / 992,311.32-1,369,388.10-605,126.07

Finding the Fourth Proportional to 992,311.32, 1,369,388.10 and 605,126.07

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Solution

The fourth proportional to 992,311.32, 1,369,388.10 and 605,126.07 is: 835,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,311.32 : 1,369,388.10 = 605,126.07 : x
  2. Step 2: Convert to fraction form
    992,311.32/1,369,388.10 = 605,126.07/x
  3. Step 3: Cross multiply
    992,311.32x = 1,369,388.10 × 605,126.07
  4. Step 4: Simplify right side
    992,311.32x = 828,652,439,257.77
  5. Step 5: Solve for x
    x = 828,652,439,257.77/992,311.32
  6. Step 6: Final answer
    x = 835,073.05

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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.