Home / 1,112,541.72-1,668,260.49-354,284.37

Finding the Fourth Proportional to 1,112,541.72, 1,668,260.49 and 354,284.37

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Solution

The fourth proportional to 1,112,541.72, 1,668,260.49 and 354,284.37 is: 531,250.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,541.72 : 1,668,260.49 = 354,284.37 : x
  2. Step 2: Convert to fraction form
    1,112,541.72/1,668,260.49 = 354,284.37/x
  3. Step 3: Cross multiply
    1,112,541.72x = 1,668,260.49 × 354,284.37
  4. Step 4: Simplify right side
    1,112,541.72x = 591,038,616,695.54
  5. Step 5: Solve for x
    x = 591,038,616,695.54/1,112,541.72
  6. Step 6: Final answer
    x = 531,250.74

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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.