Home / 1,044,258.61-1,440,947.87-636,212.38

Finding the Fourth Proportional to 1,044,258.61, 1,440,947.87 and 636,212.38

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Solution

The fourth proportional to 1,044,258.61, 1,440,947.87 and 636,212.38 is: 877,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,258.61 : 1,440,947.87 = 636,212.38 : x
  2. Step 2: Convert to fraction form
    1,044,258.61/1,440,947.87 = 636,212.38/x
  3. Step 3: Cross multiply
    1,044,258.61x = 1,440,947.87 × 636,212.38
  4. Step 4: Simplify right side
    1,044,258.61x = 916,748,870,647.57
  5. Step 5: Solve for x
    x = 916,748,870,647.57/1,044,258.61
  6. Step 6: Final answer
    x = 877,894.48

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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.