Home / 972,454.70-1,340,381.24-650,047.16

Finding the Fourth Proportional to 972,454.70, 1,340,381.24 and 650,047.16

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Solution

The fourth proportional to 972,454.70, 1,340,381.24 and 650,047.16 is: 895,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,454.70 : 1,340,381.24 = 650,047.16 : x
  2. Step 2: Convert to fraction form
    972,454.70/1,340,381.24 = 650,047.16/x
  3. Step 3: Cross multiply
    972,454.70x = 1,340,381.24 × 650,047.16
  4. Step 4: Simplify right side
    972,454.70x = 871,311,018,379.28
  5. Step 5: Solve for x
    x = 871,311,018,379.28/972,454.70
  6. Step 6: Final answer
    x = 895,991.37

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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.