Home / 825,339.84-1,139,465.76-539,338.56

Finding the Fourth Proportional to 825,339.84, 1,139,465.76 and 539,338.56

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Solution

The fourth proportional to 825,339.84, 1,139,465.76 and 539,338.56 is: 744,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,339.84 : 1,139,465.76 = 539,338.56 : x
  2. Step 2: Convert to fraction form
    825,339.84/1,139,465.76 = 539,338.56/x
  3. Step 3: Cross multiply
    825,339.84x = 1,139,465.76 × 539,338.56
  4. Step 4: Simplify right side
    825,339.84x = 614,557,822,167.71
  5. Step 5: Solve for x
    x = 614,557,822,167.71/825,339.84
  6. Step 6: Final answer
    x = 744,611.85

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Double scale
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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.