Home / 1,292,436-1,937,756.25-572,385.33

Finding the Fourth Proportional to 1,292,436, 1,937,756.25 and 572,385.33

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Solution

The fourth proportional to 1,292,436, 1,937,756.25 and 572,385.33 is: 858,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,436 : 1,937,756.25 = 572,385.33 : x
  2. Step 2: Convert to fraction form
    1,292,436/1,937,756.25 = 572,385.33/x
  3. Step 3: Cross multiply
    1,292,436x = 1,937,756.25 × 572,385.33
  4. Step 4: Simplify right side
    1,292,436x = 1,109,143,250,615.81
  5. Step 5: Solve for x
    x = 1,109,143,250,615.81/1,292,436
  6. Step 6: Final answer
    x = 858,180.41

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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.