Home / 939,332-1,296,278.16-536,932.64

Finding the Fourth Proportional to 939,332, 1,296,278.16 and 536,932.64

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Solution

The fourth proportional to 939,332, 1,296,278.16 and 536,932.64 is: 740,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,332 : 1,296,278.16 = 536,932.64 : x
  2. Step 2: Convert to fraction form
    939,332/1,296,278.16 = 536,932.64/x
  3. Step 3: Cross multiply
    939,332x = 1,296,278.16 × 536,932.64
  4. Step 4: Simplify right side
    939,332x = 696,014,054,623.14
  5. Step 5: Solve for x
    x = 696,014,054,623.14/939,332
  6. Step 6: Final answer
    x = 740,967.04

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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.