Home / 620,890.74-930,557.03-265,487.58

Finding the Fourth Proportional to 620,890.74, 930,557.03 and 265,487.58

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Solution

The fourth proportional to 620,890.74, 930,557.03 and 265,487.58 is: 397,898.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,890.74 : 930,557.03 = 265,487.58 : x
  2. Step 2: Convert to fraction form
    620,890.74/930,557.03 = 265,487.58/x
  3. Step 3: Cross multiply
    620,890.74x = 930,557.03 × 265,487.58
  4. Step 4: Simplify right side
    620,890.74x = 247,051,332,619.25
  5. Step 5: Solve for x
    x = 247,051,332,619.25/620,890.74
  6. Step 6: Final answer
    x = 397,898.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.