Home / 631,104.12-876,803.13-623,537.28

Finding the Fourth Proportional to 631,104.12, 876,803.13 and 623,537.28

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Solution

The fourth proportional to 631,104.12, 876,803.13 and 623,537.28 is: 866,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,104.12 : 876,803.13 = 623,537.28 : x
  2. Step 2: Convert to fraction form
    631,104.12/876,803.13 = 623,537.28/x
  3. Step 3: Cross multiply
    631,104.12x = 876,803.13 × 623,537.28
  4. Step 4: Simplify right side
    631,104.12x = 546,719,438,775.69
  5. Step 5: Solve for x
    x = 546,719,438,775.69/631,104.12
  6. Step 6: Final answer
    x = 866,290.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.