Home / 905,938.95-1,359,072.45-455,526.30

Finding the Fourth Proportional to 905,938.95, 1,359,072.45 and 455,526.30

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Solution

The fourth proportional to 905,938.95, 1,359,072.45 and 455,526.30 is: 683,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,938.95 : 1,359,072.45 = 455,526.30 : x
  2. Step 2: Convert to fraction form
    905,938.95/1,359,072.45 = 455,526.30/x
  3. Step 3: Cross multiply
    905,938.95x = 1,359,072.45 × 455,526.30
  4. Step 4: Simplify right side
    905,938.95x = 619,093,244,580.44
  5. Step 5: Solve for x
    x = 619,093,244,580.44/905,938.95
  6. Step 6: Final answer
    x = 683,371.93

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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.