Home / 957,699.78-1,435,580.10-620,953.62

Finding the Fourth Proportional to 957,699.78, 1,435,580.10 and 620,953.62

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Solution

The fourth proportional to 957,699.78, 1,435,580.10 and 620,953.62 is: 930,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,699.78 : 1,435,580.10 = 620,953.62 : x
  2. Step 2: Convert to fraction form
    957,699.78/1,435,580.10 = 620,953.62/x
  3. Step 3: Cross multiply
    957,699.78x = 1,435,580.10 × 620,953.62
  4. Step 4: Simplify right side
    957,699.78x = 891,428,659,894.96
  5. Step 5: Solve for x
    x = 891,428,659,894.96/957,699.78
  6. Step 6: Final answer
    x = 930,801.78

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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.