Home / 832,464.80-1,148,809.92-450,500.48

Finding the Fourth Proportional to 832,464.80, 1,148,809.92 and 450,500.48

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Solution

The fourth proportional to 832,464.80, 1,148,809.92 and 450,500.48 is: 621,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,464.80 : 1,148,809.92 = 450,500.48 : x
  2. Step 2: Convert to fraction form
    832,464.80/1,148,809.92 = 450,500.48/x
  3. Step 3: Cross multiply
    832,464.80x = 1,148,809.92 × 450,500.48
  4. Step 4: Simplify right side
    832,464.80x = 517,539,420,388.76
  5. Step 5: Solve for x
    x = 517,539,420,388.76/832,464.80
  6. Step 6: Final answer
    x = 621,695.26

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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.