Home / 945,186.60-1,417,991.40-346,135.80

Finding the Fourth Proportional to 945,186.60, 1,417,991.40 and 346,135.80

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Solution

The fourth proportional to 945,186.60, 1,417,991.40 and 346,135.80 is: 519,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,186.60 : 1,417,991.40 = 346,135.80 : x
  2. Step 2: Convert to fraction form
    945,186.60/1,417,991.40 = 346,135.80/x
  3. Step 3: Cross multiply
    945,186.60x = 1,417,991.40 × 346,135.80
  4. Step 4: Simplify right side
    945,186.60x = 490,817,587,632.12
  5. Step 5: Solve for x
    x = 490,817,587,632.12/945,186.60
  6. Step 6: Final answer
    x = 519,281.15

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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.