Home / 752,260.14-1,038,189.30-429,907.28

Finding the Fourth Proportional to 752,260.14, 1,038,189.30 and 429,907.28

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Solution

The fourth proportional to 752,260.14, 1,038,189.30 and 429,907.28 is: 593,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,260.14 : 1,038,189.30 = 429,907.28 : x
  2. Step 2: Convert to fraction form
    752,260.14/1,038,189.30 = 429,907.28/x
  3. Step 3: Cross multiply
    752,260.14x = 1,038,189.30 × 429,907.28
  4. Step 4: Simplify right side
    752,260.14x = 446,325,138,088.10
  5. Step 5: Solve for x
    x = 446,325,138,088.10/752,260.14
  6. Step 6: Final answer
    x = 593,312.23

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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.