Home / 922,747.70-1,384,121.55-549,499.70

Finding the Fourth Proportional to 922,747.70, 1,384,121.55 and 549,499.70

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Solution

The fourth proportional to 922,747.70, 1,384,121.55 and 549,499.70 is: 824,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,747.70 : 1,384,121.55 = 549,499.70 : x
  2. Step 2: Convert to fraction form
    922,747.70/1,384,121.55 = 549,499.70/x
  3. Step 3: Cross multiply
    922,747.70x = 1,384,121.55 × 549,499.70
  4. Step 4: Simplify right side
    922,747.70x = 760,574,376,488.54
  5. Step 5: Solve for x
    x = 760,574,376,488.54/922,747.70
  6. Step 6: Final answer
    x = 824,249.55

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Similar ratio
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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.