Home / 953,074.05-1,315,245.78-517,492.05

Finding the Fourth Proportional to 953,074.05, 1,315,245.78 and 517,492.05

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Solution

The fourth proportional to 953,074.05, 1,315,245.78 and 517,492.05 is: 714,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,074.05 : 1,315,245.78 = 517,492.05 : x
  2. Step 2: Convert to fraction form
    953,074.05/1,315,245.78 = 517,492.05/x
  3. Step 3: Cross multiply
    953,074.05x = 1,315,245.78 × 517,492.05
  4. Step 4: Simplify right side
    953,074.05x = 680,629,234,946.05
  5. Step 5: Solve for x
    x = 680,629,234,946.05/953,074.05
  6. Step 6: Final answer
    x = 714,140.98

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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.