Home / 879,530.57-1,213,754.51-477,122.57

Finding the Fourth Proportional to 879,530.57, 1,213,754.51 and 477,122.57

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Solution

The fourth proportional to 879,530.57, 1,213,754.51 and 477,122.57 is: 658,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,530.57 : 1,213,754.51 = 477,122.57 : x
  2. Step 2: Convert to fraction form
    879,530.57/1,213,754.51 = 477,122.57/x
  3. Step 3: Cross multiply
    879,530.57x = 1,213,754.51 × 477,122.57
  4. Step 4: Simplify right side
    879,530.57x = 579,109,666,284.33
  5. Step 5: Solve for x
    x = 579,109,666,284.33/879,530.57
  6. Step 6: Final answer
    x = 658,430.41

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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.