Home / 748,173.12-1,030,304.31-650,010.98

Finding the Fourth Proportional to 748,173.12, 1,030,304.31 and 650,010.98

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Solution

The fourth proportional to 748,173.12, 1,030,304.31 and 650,010.98 is: 895,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,173.12 : 1,030,304.31 = 650,010.98 : x
  2. Step 2: Convert to fraction form
    748,173.12/1,030,304.31 = 650,010.98/x
  3. Step 3: Cross multiply
    748,173.12x = 1,030,304.31 × 650,010.98
  4. Step 4: Simplify right side
    748,173.12x = 669,709,109,089.80
  5. Step 5: Solve for x
    x = 669,709,109,089.80/748,173.12
  6. Step 6: Final answer
    x = 895,125.86

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1.5x scale

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.