Home / 1,374,508.12-1,896,915.90-770,935

Finding the Fourth Proportional to 1,374,508.12, 1,896,915.90 and 770,935

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Solution

The fourth proportional to 1,374,508.12, 1,896,915.90 and 770,935 is: 1,063,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,508.12 : 1,896,915.90 = 770,935 : x
  2. Step 2: Convert to fraction form
    1,374,508.12/1,896,915.90 = 770,935/x
  3. Step 3: Cross multiply
    1,374,508.12x = 1,896,915.90 × 770,935
  4. Step 4: Simplify right side
    1,374,508.12x = 1,462,398,859,366.50
  5. Step 5: Solve for x
    x = 1,462,398,859,366.50/1,374,508.12
  6. Step 6: Final answer
    x = 1,063,943.41

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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.