Home / 845,160.70-1,166,315.07-463,186.57

Finding the Fourth Proportional to 845,160.70, 1,166,315.07 and 463,186.57

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Solution

The fourth proportional to 845,160.70, 1,166,315.07 and 463,186.57 is: 639,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,160.70 : 1,166,315.07 = 463,186.57 : x
  2. Step 2: Convert to fraction form
    845,160.70/1,166,315.07 = 463,186.57/x
  3. Step 3: Cross multiply
    845,160.70x = 1,166,315.07 × 463,186.57
  4. Step 4: Simplify right side
    845,160.70x = 540,221,476,812.61
  5. Step 5: Solve for x
    x = 540,221,476,812.61/845,160.70
  6. Step 6: Final answer
    x = 639,193.80

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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.