Home / 1,013,621.18-1,398,784.16-554,727.51

Finding the Fourth Proportional to 1,013,621.18, 1,398,784.16 and 554,727.51

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Solution

The fourth proportional to 1,013,621.18, 1,398,784.16 and 554,727.51 is: 765,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,621.18 : 1,398,784.16 = 554,727.51 : x
  2. Step 2: Convert to fraction form
    1,013,621.18/1,398,784.16 = 554,727.51/x
  3. Step 3: Cross multiply
    1,013,621.18x = 1,398,784.16 × 554,727.51
  4. Step 4: Simplify right side
    1,013,621.18x = 775,944,055,491.06
  5. Step 5: Solve for x
    x = 775,944,055,491.06/1,013,621.18
  6. Step 6: Final answer
    x = 765,516.82

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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.