Home / 705,631.37-973,854.76-419,152.59

Finding the Fourth Proportional to 705,631.37, 973,854.76 and 419,152.59

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Solution

The fourth proportional to 705,631.37, 973,854.76 and 419,152.59 is: 578,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,631.37 : 973,854.76 = 419,152.59 : x
  2. Step 2: Convert to fraction form
    705,631.37/973,854.76 = 419,152.59/x
  3. Step 3: Cross multiply
    705,631.37x = 973,854.76 × 419,152.59
  4. Step 4: Simplify right side
    705,631.37x = 408,193,749,113.73
  5. Step 5: Solve for x
    x = 408,193,749,113.73/705,631.37
  6. Step 6: Final answer
    x = 578,480.16

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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.