Home / 1,037,205.60-1,555,186.08-405,366.72

Finding the Fourth Proportional to 1,037,205.60, 1,555,186.08 and 405,366.72

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Solution

The fourth proportional to 1,037,205.60, 1,555,186.08 and 405,366.72 is: 607,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,205.60 : 1,555,186.08 = 405,366.72 : x
  2. Step 2: Convert to fraction form
    1,037,205.60/1,555,186.08 = 405,366.72/x
  3. Step 3: Cross multiply
    1,037,205.60x = 1,555,186.08 × 405,366.72
  4. Step 4: Simplify right side
    1,037,205.60x = 630,420,680,239.26
  5. Step 5: Solve for x
    x = 630,420,680,239.26/1,037,205.60
  6. Step 6: Final answer
    x = 607,806.86

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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.