Home / 899,686.34-1,241,593.54-491,810.66

Finding the Fourth Proportional to 899,686.34, 1,241,593.54 and 491,810.66

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Solution

The fourth proportional to 899,686.34, 1,241,593.54 and 491,810.66 is: 678,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,686.34 : 1,241,593.54 = 491,810.66 : x
  2. Step 2: Convert to fraction form
    899,686.34/1,241,593.54 = 491,810.66/x
  3. Step 3: Cross multiply
    899,686.34x = 1,241,593.54 × 491,810.66
  4. Step 4: Simplify right side
    899,686.34x = 610,628,938,359.14
  5. Step 5: Solve for x
    x = 610,628,938,359.14/899,686.34
  6. Step 6: Final answer
    x = 678,713.14

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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.