Home / 1,154,919.36-1,732,378.56-313,594.56

Finding the Fourth Proportional to 1,154,919.36, 1,732,378.56 and 313,594.56

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Solution

The fourth proportional to 1,154,919.36, 1,732,378.56 and 313,594.56 is: 470,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,919.36 : 1,732,378.56 = 313,594.56 : x
  2. Step 2: Convert to fraction form
    1,154,919.36/1,732,378.56 = 313,594.56/x
  3. Step 3: Cross multiply
    1,154,919.36x = 1,732,378.56 × 313,594.56
  4. Step 4: Simplify right side
    1,154,919.36x = 543,264,492,276.63
  5. Step 5: Solve for x
    x = 543,264,492,276.63/1,154,919.36
  6. Step 6: Final answer
    x = 470,391.71

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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.