Home / 674,804.02-931,231.40-368,884.06

Finding the Fourth Proportional to 674,804.02, 931,231.40 and 368,884.06

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Solution

The fourth proportional to 674,804.02, 931,231.40 and 368,884.06 is: 509,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,804.02 : 931,231.40 = 368,884.06 : x
  2. Step 2: Convert to fraction form
    674,804.02/931,231.40 = 368,884.06/x
  3. Step 3: Cross multiply
    674,804.02x = 931,231.40 × 368,884.06
  4. Step 4: Simplify right side
    674,804.02x = 343,516,419,631.48
  5. Step 5: Solve for x
    x = 343,516,419,631.48/674,804.02
  6. Step 6: Final answer
    x = 509,061.02

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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.