Home / 1,248,109.92-1,722,389.76-675,148.32

Finding the Fourth Proportional to 1,248,109.92, 1,722,389.76 and 675,148.32

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Solution

The fourth proportional to 1,248,109.92, 1,722,389.76 and 675,148.32 is: 931,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,109.92 : 1,722,389.76 = 675,148.32 : x
  2. Step 2: Convert to fraction form
    1,248,109.92/1,722,389.76 = 675,148.32/x
  3. Step 3: Cross multiply
    1,248,109.92x = 1,722,389.76 × 675,148.32
  4. Step 4: Simplify right side
    1,248,109.92x = 1,162,868,552,849.20
  5. Step 5: Solve for x
    x = 1,162,868,552,849.20/1,248,109.92
  6. Step 6: Final answer
    x = 931,703.64

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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.