Home / 857,572.64-1,286,239.80-600,626.96

Finding the Fourth Proportional to 857,572.64, 1,286,239.80 and 600,626.96

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Solution

The fourth proportional to 857,572.64, 1,286,239.80 and 600,626.96 is: 900,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,572.64 : 1,286,239.80 = 600,626.96 : x
  2. Step 2: Convert to fraction form
    857,572.64/1,286,239.80 = 600,626.96/x
  3. Step 3: Cross multiply
    857,572.64x = 1,286,239.80 × 600,626.96
  4. Step 4: Simplify right side
    857,572.64x = 772,550,300,905.01
  5. Step 5: Solve for x
    x = 772,550,300,905.01/857,572.64
  6. Step 6: Final answer
    x = 900,856.98

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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.