Home / 979,416.38-1,351,594.62-549,696.51

Finding the Fourth Proportional to 979,416.38, 1,351,594.62 and 549,696.51

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Solution

The fourth proportional to 979,416.38, 1,351,594.62 and 549,696.51 is: 758,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,416.38 : 1,351,594.62 = 549,696.51 : x
  2. Step 2: Convert to fraction form
    979,416.38/1,351,594.62 = 549,696.51/x
  3. Step 3: Cross multiply
    979,416.38x = 1,351,594.62 × 549,696.51
  4. Step 4: Simplify right side
    979,416.38x = 742,966,845,548.78
  5. Step 5: Solve for x
    x = 742,966,845,548.78/979,416.38
  6. Step 6: Final answer
    x = 758,581.19

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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.