Home / 1,255,719.19-1,883,578.78-369,255.19

Finding the Fourth Proportional to 1,255,719.19, 1,883,578.78 and 369,255.19

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Solution

The fourth proportional to 1,255,719.19, 1,883,578.78 and 369,255.19 is: 553,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,719.19 : 1,883,578.78 = 369,255.19 : x
  2. Step 2: Convert to fraction form
    1,255,719.19/1,883,578.78 = 369,255.19/x
  3. Step 3: Cross multiply
    1,255,719.19x = 1,883,578.78 × 369,255.19
  4. Step 4: Simplify right side
    1,255,719.19x = 695,521,240,288.87
  5. Step 5: Solve for x
    x = 695,521,240,288.87/1,255,719.19
  6. Step 6: Final answer
    x = 553,882.78

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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.