Home / 770,774.28-1,063,794.50-528,857.24

Finding the Fourth Proportional to 770,774.28, 1,063,794.50 and 528,857.24

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Solution

The fourth proportional to 770,774.28, 1,063,794.50 and 528,857.24 is: 729,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,774.28 : 1,063,794.50 = 528,857.24 : x
  2. Step 2: Convert to fraction form
    770,774.28/1,063,794.50 = 528,857.24/x
  3. Step 3: Cross multiply
    770,774.28x = 1,063,794.50 × 528,857.24
  4. Step 4: Simplify right side
    770,774.28x = 562,595,423,197.18
  5. Step 5: Solve for x
    x = 562,595,423,197.18/770,774.28
  6. Step 6: Final answer
    x = 729,909.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.