Home / 1,121,633.92-1,547,796.27-612,237.88

Finding the Fourth Proportional to 1,121,633.92, 1,547,796.27 and 612,237.88

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Solution

The fourth proportional to 1,121,633.92, 1,547,796.27 and 612,237.88 is: 844,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,633.92 : 1,547,796.27 = 612,237.88 : x
  2. Step 2: Convert to fraction form
    1,121,633.92/1,547,796.27 = 612,237.88/x
  3. Step 3: Cross multiply
    1,121,633.92x = 1,547,796.27 × 612,237.88
  4. Step 4: Simplify right side
    1,121,633.92x = 947,619,508,590.31
  5. Step 5: Solve for x
    x = 947,619,508,590.31/1,121,633.92
  6. Step 6: Final answer
    x = 844,856.32

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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.