Home / 842,188.02-1,161,416.22-551,365.62

Finding the Fourth Proportional to 842,188.02, 1,161,416.22 and 551,365.62

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Solution

The fourth proportional to 842,188.02, 1,161,416.22 and 551,365.62 is: 760,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,188.02 : 1,161,416.22 = 551,365.62 : x
  2. Step 2: Convert to fraction form
    842,188.02/1,161,416.22 = 551,365.62/x
  3. Step 3: Cross multiply
    842,188.02x = 1,161,416.22 × 551,365.62
  4. Step 4: Simplify right side
    842,188.02x = 640,364,974,218.36
  5. Step 5: Solve for x
    x = 640,364,974,218.36/842,188.02
  6. Step 6: Final answer
    x = 760,358.68

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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.