Home / 591,478.13-816,512.27-346,428.83

Finding the Fourth Proportional to 591,478.13, 816,512.27 and 346,428.83

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Solution

The fourth proportional to 591,478.13, 816,512.27 and 346,428.83 is: 478,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,478.13 : 816,512.27 = 346,428.83 : x
  2. Step 2: Convert to fraction form
    591,478.13/816,512.27 = 346,428.83/x
  3. Step 3: Cross multiply
    591,478.13x = 816,512.27 × 346,428.83
  4. Step 4: Simplify right side
    591,478.13x = 282,863,390,685.88
  5. Step 5: Solve for x
    x = 282,863,390,685.88/591,478.13
  6. Step 6: Final answer
    x = 478,231.36

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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.