Home / 839,695.70-1,259,081.31-573,756.50

Finding the Fourth Proportional to 839,695.70, 1,259,081.31 and 573,756.50

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Solution

The fourth proportional to 839,695.70, 1,259,081.31 and 573,756.50 is: 860,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,695.70 : 1,259,081.31 = 573,756.50 : x
  2. Step 2: Convert to fraction form
    839,695.70/1,259,081.31 = 573,756.50/x
  3. Step 3: Cross multiply
    839,695.70x = 1,259,081.31 × 573,756.50
  4. Step 4: Simplify right side
    839,695.70x = 722,406,085,641.02
  5. Step 5: Solve for x
    x = 722,406,085,641.02/839,695.70
  6. Step 6: Final answer
    x = 860,318.91

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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.