Home / 986,454.04-1,478,792.40-354,923.56

Finding the Fourth Proportional to 986,454.04, 1,478,792.40 and 354,923.56

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Solution

The fourth proportional to 986,454.04, 1,478,792.40 and 354,923.56 is: 532,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,454.04 : 1,478,792.40 = 354,923.56 : x
  2. Step 2: Convert to fraction form
    986,454.04/1,478,792.40 = 354,923.56/x
  3. Step 3: Cross multiply
    986,454.04x = 1,478,792.40 × 354,923.56
  4. Step 4: Simplify right side
    986,454.04x = 524,858,263,108.94
  5. Step 5: Solve for x
    x = 524,858,263,108.94/986,454.04
  6. Step 6: Final answer
    x = 532,065.60

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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.