Home / 628,176.02-939,886.22-372,146.03

Finding the Fourth Proportional to 628,176.02, 939,886.22 and 372,146.03

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Solution

The fourth proportional to 628,176.02, 939,886.22 and 372,146.03 is: 556,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,176.02 : 939,886.22 = 372,146.03 : x
  2. Step 2: Convert to fraction form
    628,176.02/939,886.22 = 372,146.03/x
  3. Step 3: Cross multiply
    628,176.02x = 939,886.22 × 372,146.03
  4. Step 4: Simplify right side
    628,176.02x = 349,774,918,864.55
  5. Step 5: Solve for x
    x = 349,774,918,864.55/628,176.02
  6. Step 6: Final answer
    x = 556,810.37

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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.