Home / 674,720.04-931,172.94-372,972.36

Finding the Fourth Proportional to 674,720.04, 931,172.94 and 372,972.36

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Solution

The fourth proportional to 674,720.04, 931,172.94 and 372,972.36 is: 514,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,720.04 : 931,172.94 = 372,972.36 : x
  2. Step 2: Convert to fraction form
    674,720.04/931,172.94 = 372,972.36/x
  3. Step 3: Cross multiply
    674,720.04x = 931,172.94 × 372,972.36
  4. Step 4: Simplify right side
    674,720.04x = 347,301,768,999.94
  5. Step 5: Solve for x
    x = 347,301,768,999.94/674,720.04
  6. Step 6: Final answer
    x = 514,734.63

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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.