Home / 912,282.33-1,368,646.68-642,936

Finding the Fourth Proportional to 912,282.33, 1,368,646.68 and 642,936

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Solution

The fourth proportional to 912,282.33, 1,368,646.68 and 642,936 is: 964,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,282.33 : 1,368,646.68 = 642,936 : x
  2. Step 2: Convert to fraction form
    912,282.33/1,368,646.68 = 642,936/x
  3. Step 3: Cross multiply
    912,282.33x = 1,368,646.68 × 642,936
  4. Step 4: Simplify right side
    912,282.33x = 879,952,221,852.48
  5. Step 5: Solve for x
    x = 879,952,221,852.48/912,282.33
  6. Step 6: Final answer
    x = 964,561.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.