Home / 727,710.90-1,091,566.35-622,734.90

Finding the Fourth Proportional to 727,710.90, 1,091,566.35 and 622,734.90

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Solution

The fourth proportional to 727,710.90, 1,091,566.35 and 622,734.90 is: 934,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,710.90 : 1,091,566.35 = 622,734.90 : x
  2. Step 2: Convert to fraction form
    727,710.90/1,091,566.35 = 622,734.90/x
  3. Step 3: Cross multiply
    727,710.90x = 1,091,566.35 × 622,734.90
  4. Step 4: Simplify right side
    727,710.90x = 679,756,461,810.62
  5. Step 5: Solve for x
    x = 679,756,461,810.62/727,710.90
  6. Step 6: Final answer
    x = 934,102.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.