Home / 816,594.71-1,126,913.80-449,086.37

Finding the Fourth Proportional to 816,594.71, 1,126,913.80 and 449,086.37

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Solution

The fourth proportional to 816,594.71, 1,126,913.80 and 449,086.37 is: 619,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,594.71 : 1,126,913.80 = 449,086.37 : x
  2. Step 2: Convert to fraction form
    816,594.71/1,126,913.80 = 449,086.37/x
  3. Step 3: Cross multiply
    816,594.71x = 1,126,913.80 × 449,086.37
  4. Step 4: Simplify right side
    816,594.71x = 506,081,627,744.91
  5. Step 5: Solve for x
    x = 506,081,627,744.91/816,594.71
  6. Step 6: Final answer
    x = 619,746.40

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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.