Home / 705,519.10-973,838.46-450,870.49

Finding the Fourth Proportional to 705,519.10, 973,838.46 and 450,870.49

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Solution

The fourth proportional to 705,519.10, 973,838.46 and 450,870.49 is: 622,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,519.10 : 973,838.46 = 450,870.49 : x
  2. Step 2: Convert to fraction form
    705,519.10/973,838.46 = 450,870.49/x
  3. Step 3: Cross multiply
    705,519.10x = 973,838.46 × 450,870.49
  4. Step 4: Simplify right side
    705,519.10x = 439,075,023,641.05
  5. Step 5: Solve for x
    x = 439,075,023,641.05/705,519.10
  6. Step 6: Final answer
    x = 622,343.21

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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.