Home / 945,208.60-1,417,812.90-520,055.80

Finding the Fourth Proportional to 945,208.60, 1,417,812.90 and 520,055.80

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Solution

The fourth proportional to 945,208.60, 1,417,812.90 and 520,055.80 is: 780,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,208.60 : 1,417,812.90 = 520,055.80 : x
  2. Step 2: Convert to fraction form
    945,208.60/1,417,812.90 = 520,055.80/x
  3. Step 3: Cross multiply
    945,208.60x = 1,417,812.90 × 520,055.80
  4. Step 4: Simplify right side
    945,208.60x = 737,341,821,959.82
  5. Step 5: Solve for x
    x = 737,341,821,959.82/945,208.60
  6. Step 6: Final answer
    x = 780,083.70

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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.