Home / 545,075.90-753,057.92-416,464.50

Finding the Fourth Proportional to 545,075.90, 753,057.92 and 416,464.50

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Solution

The fourth proportional to 545,075.90, 753,057.92 and 416,464.50 is: 575,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,075.90 : 753,057.92 = 416,464.50 : x
  2. Step 2: Convert to fraction form
    545,075.90/753,057.92 = 416,464.50/x
  3. Step 3: Cross multiply
    545,075.90x = 753,057.92 × 416,464.50
  4. Step 4: Simplify right side
    545,075.90x = 313,621,888,041.52
  5. Step 5: Solve for x
    x = 313,621,888,041.52/545,075.90
  6. Step 6: Final answer
    x = 575,372.88

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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.