Home / 1,013,518.63-1,398,655.74-554,633.17

Finding the Fourth Proportional to 1,013,518.63, 1,398,655.74 and 554,633.17

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Solution

The fourth proportional to 1,013,518.63, 1,398,655.74 and 554,633.17 is: 765,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,518.63 : 1,398,655.74 = 554,633.17 : x
  2. Step 2: Convert to fraction form
    1,013,518.63/1,398,655.74 = 554,633.17/x
  3. Step 3: Cross multiply
    1,013,518.63x = 1,398,655.74 × 554,633.17
  4. Step 4: Simplify right side
    1,013,518.63x = 775,740,870,145.76
  5. Step 5: Solve for x
    x = 775,740,870,145.76/1,013,518.63
  6. Step 6: Final answer
    x = 765,393.80

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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.