Home / 755,852.65-1,043,076.49-416,320.90

Finding the Fourth Proportional to 755,852.65, 1,043,076.49 and 416,320.90

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Solution

The fourth proportional to 755,852.65, 1,043,076.49 and 416,320.90 is: 574,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,852.65 : 1,043,076.49 = 416,320.90 : x
  2. Step 2: Convert to fraction form
    755,852.65/1,043,076.49 = 416,320.90/x
  3. Step 3: Cross multiply
    755,852.65x = 1,043,076.49 × 416,320.90
  4. Step 4: Simplify right side
    755,852.65x = 434,254,539,437.15
  5. Step 5: Solve for x
    x = 434,254,539,437.15/755,852.65
  6. Step 6: Final answer
    x = 574,522.75

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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.