Home / 774,378.30-1,161,567.45-606,416.70

Finding the Fourth Proportional to 774,378.30, 1,161,567.45 and 606,416.70

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Solution

The fourth proportional to 774,378.30, 1,161,567.45 and 606,416.70 is: 909,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,378.30 : 1,161,567.45 = 606,416.70 : x
  2. Step 2: Convert to fraction form
    774,378.30/1,161,567.45 = 606,416.70/x
  3. Step 3: Cross multiply
    774,378.30x = 1,161,567.45 × 606,416.70
  4. Step 4: Simplify right side
    774,378.30x = 704,393,899,856.42
  5. Step 5: Solve for x
    x = 704,393,899,856.42/774,378.30
  6. Step 6: Final answer
    x = 909,625.05

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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.