Home / 752,729.63-1,127,618.19-436,522.23

Finding the Fourth Proportional to 752,729.63, 1,127,618.19 and 436,522.23

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Solution

The fourth proportional to 752,729.63, 1,127,618.19 and 436,522.23 is: 653,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,729.63 : 1,127,618.19 = 436,522.23 : x
  2. Step 2: Convert to fraction form
    752,729.63/1,127,618.19 = 436,522.23/x
  3. Step 3: Cross multiply
    752,729.63x = 1,127,618.19 × 436,522.23
  4. Step 4: Simplify right side
    752,729.63x = 492,230,406,887.36
  5. Step 5: Solve for x
    x = 492,230,406,887.36/752,729.63
  6. Step 6: Final answer
    x = 653,927.24

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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.