Home / 1,121,634.55-1,547,797.13-612,238.51

Finding the Fourth Proportional to 1,121,634.55, 1,547,797.13 and 612,238.51

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Solution

The fourth proportional to 1,121,634.55, 1,547,797.13 and 612,238.51 is: 844,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,634.55 : 1,547,797.13 = 612,238.51 : x
  2. Step 2: Convert to fraction form
    1,121,634.55/1,547,797.13 = 612,238.51/x
  3. Step 3: Cross multiply
    1,121,634.55x = 1,547,797.13 × 612,238.51
  4. Step 4: Simplify right side
    1,121,634.55x = 947,621,001,722.79
  5. Step 5: Solve for x
    x = 947,621,001,722.79/1,121,634.55
  6. Step 6: Final answer
    x = 844,857.18

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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.