Home / 942,911.59-1,301,218.00-513,194.84

Finding the Fourth Proportional to 942,911.59, 1,301,218.00 and 513,194.84

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Solution

The fourth proportional to 942,911.59, 1,301,218.00 and 513,194.84 is: 708,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,911.59 : 1,301,218.00 = 513,194.84 : x
  2. Step 2: Convert to fraction form
    942,911.59/1,301,218.00 = 513,194.84/x
  3. Step 3: Cross multiply
    942,911.59x = 1,301,218.00 × 513,194.84
  4. Step 4: Simplify right side
    942,911.59x = 667,778,365,285.18
  5. Step 5: Solve for x
    x = 667,778,365,285.18/942,911.59
  6. Step 6: Final answer
    x = 708,208.89

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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.