Home / 1,288,533.96-1,932,798.51-341,830.26

Finding the Fourth Proportional to 1,288,533.96, 1,932,798.51 and 341,830.26

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Solution

The fourth proportional to 1,288,533.96, 1,932,798.51 and 341,830.26 is: 512,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,533.96 : 1,932,798.51 = 341,830.26 : x
  2. Step 2: Convert to fraction form
    1,288,533.96/1,932,798.51 = 341,830.26/x
  3. Step 3: Cross multiply
    1,288,533.96x = 1,932,798.51 × 341,830.26
  4. Step 4: Simplify right side
    1,288,533.96x = 660,689,017,200.91
  5. Step 5: Solve for x
    x = 660,689,017,200.91/1,288,533.96
  6. Step 6: Final answer
    x = 512,744.75

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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.