Home / 708,983.55-1,063,475.33-620,410.05

Finding the Fourth Proportional to 708,983.55, 1,063,475.33 and 620,410.05

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Solution

The fourth proportional to 708,983.55, 1,063,475.33 and 620,410.05 is: 930,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,983.55 : 1,063,475.33 = 620,410.05 : x
  2. Step 2: Convert to fraction form
    708,983.55/1,063,475.33 = 620,410.05/x
  3. Step 3: Cross multiply
    708,983.55x = 1,063,475.33 × 620,410.05
  4. Step 4: Simplify right side
    708,983.55x = 659,790,779,557.02
  5. Step 5: Solve for x
    x = 659,790,779,557.02/708,983.55
  6. Step 6: Final answer
    x = 930,615.08

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Double scale
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Similar ratio
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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.