Home / 683,034.95-942,516.65-396,499.07

Finding the Fourth Proportional to 683,034.95, 942,516.65 and 396,499.07

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Solution

The fourth proportional to 683,034.95, 942,516.65 and 396,499.07 is: 547,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,034.95 : 942,516.65 = 396,499.07 : x
  2. Step 2: Convert to fraction form
    683,034.95/942,516.65 = 396,499.07/x
  3. Step 3: Cross multiply
    683,034.95x = 942,516.65 × 396,499.07
  4. Step 4: Simplify right side
    683,034.95x = 373,706,968,489.44
  5. Step 5: Solve for x
    x = 373,706,968,489.44/683,034.95
  6. Step 6: Final answer
    x = 547,127.16

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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.