Home / 839,680.88-1,158,394.70-533,593.37

Finding the Fourth Proportional to 839,680.88, 1,158,394.70 and 533,593.37

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Solution

The fourth proportional to 839,680.88, 1,158,394.70 and 533,593.37 is: 736,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,680.88 : 1,158,394.70 = 533,593.37 : x
  2. Step 2: Convert to fraction form
    839,680.88/1,158,394.70 = 533,593.37/x
  3. Step 3: Cross multiply
    839,680.88x = 1,158,394.70 × 533,593.37
  4. Step 4: Simplify right side
    839,680.88x = 618,111,723,303.20
  5. Step 5: Solve for x
    x = 618,111,723,303.20/839,680.88
  6. Step 6: Final answer
    x = 736,126.95

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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.