Home / 979,513.29-1,351,654.22-549,710.38

Finding the Fourth Proportional to 979,513.29, 1,351,654.22 and 549,710.38

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Solution

The fourth proportional to 979,513.29, 1,351,654.22 and 549,710.38 is: 758,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,513.29 : 1,351,654.22 = 549,710.38 : x
  2. Step 2: Convert to fraction form
    979,513.29/1,351,654.22 = 549,710.38/x
  3. Step 3: Cross multiply
    979,513.29x = 1,351,654.22 × 549,710.38
  4. Step 4: Simplify right side
    979,513.29x = 743,018,357,968.65
  5. Step 5: Solve for x
    x = 743,018,357,968.65/979,513.29
  6. Step 6: Final answer
    x = 758,558.73

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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.