Home / 712,097.61-982,670.07-406,273.00

Finding the Fourth Proportional to 712,097.61, 982,670.07 and 406,273.00

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Solution

The fourth proportional to 712,097.61, 982,670.07 and 406,273.00 is: 560,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,097.61 : 982,670.07 = 406,273.00 : x
  2. Step 2: Convert to fraction form
    712,097.61/982,670.07 = 406,273.00/x
  3. Step 3: Cross multiply
    712,097.61x = 982,670.07 × 406,273.00
  4. Step 4: Simplify right side
    712,097.61x = 399,232,314,892.44
  5. Step 5: Solve for x
    x = 399,232,314,892.44/712,097.61
  6. Step 6: Final answer
    x = 560,642.68

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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.