Home / 683,756.64-1,021,371.12-506,609.64

Finding the Fourth Proportional to 683,756.64, 1,021,371.12 and 506,609.64

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Solution

The fourth proportional to 683,756.64, 1,021,371.12 and 506,609.64 is: 756,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,756.64 : 1,021,371.12 = 506,609.64 : x
  2. Step 2: Convert to fraction form
    683,756.64/1,021,371.12 = 506,609.64/x
  3. Step 3: Cross multiply
    683,756.64x = 1,021,371.12 × 506,609.64
  4. Step 4: Simplify right side
    683,756.64x = 517,436,455,409.60
  5. Step 5: Solve for x
    x = 517,436,455,409.60/683,756.64
  6. Step 6: Final answer
    x = 756,755.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.