Home / 1,013,498.98-1,398,628.74-554,613.66

Finding the Fourth Proportional to 1,013,498.98, 1,398,628.74 and 554,613.66

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Solution

The fourth proportional to 1,013,498.98, 1,398,628.74 and 554,613.66 is: 765,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,498.98 : 1,398,628.74 = 554,613.66 : x
  2. Step 2: Convert to fraction form
    1,013,498.98/1,398,628.74 = 554,613.66/x
  3. Step 3: Cross multiply
    1,013,498.98x = 1,398,628.74 × 554,613.66
  4. Step 4: Simplify right side
    1,013,498.98x = 775,698,604,472.59
  5. Step 5: Solve for x
    x = 775,698,604,472.59/1,013,498.98
  6. Step 6: Final answer
    x = 765,366.93

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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.