Home / 1,076,130.78-1,614,279.54-436,129.83

Finding the Fourth Proportional to 1,076,130.78, 1,614,279.54 and 436,129.83

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Solution

The fourth proportional to 1,076,130.78, 1,614,279.54 and 436,129.83 is: 654,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,130.78 : 1,614,279.54 = 436,129.83 : x
  2. Step 2: Convert to fraction form
    1,076,130.78/1,614,279.54 = 436,129.83/x
  3. Step 3: Cross multiply
    1,076,130.78x = 1,614,279.54 × 436,129.83
  4. Step 4: Simplify right side
    1,076,130.78x = 704,035,461,352.68
  5. Step 5: Solve for x
    x = 704,035,461,352.68/1,076,130.78
  6. Step 6: Final answer
    x = 654,228.53

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1.5x scale

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.