Home / 683,938.60-943,965.43-450,955.67

Finding the Fourth Proportional to 683,938.60, 943,965.43 and 450,955.67

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Solution

The fourth proportional to 683,938.60, 943,965.43 and 450,955.67 is: 622,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,938.60 : 943,965.43 = 450,955.67 : x
  2. Step 2: Convert to fraction form
    683,938.60/943,965.43 = 450,955.67/x
  3. Step 3: Cross multiply
    683,938.60x = 943,965.43 × 450,955.67
  4. Step 4: Simplify right side
    683,938.60x = 425,686,557,095.27
  5. Step 5: Solve for x
    x = 425,686,557,095.27/683,938.60
  6. Step 6: Final answer
    x = 622,404.64

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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.