Home / 791,042.80-1,091,337.74-584,806.40

Finding the Fourth Proportional to 791,042.80, 1,091,337.74 and 584,806.40

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Solution

The fourth proportional to 791,042.80, 1,091,337.74 and 584,806.40 is: 806,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,042.80 : 1,091,337.74 = 584,806.40 : x
  2. Step 2: Convert to fraction form
    791,042.80/1,091,337.74 = 584,806.40/x
  3. Step 3: Cross multiply
    791,042.80x = 1,091,337.74 × 584,806.40
  4. Step 4: Simplify right side
    791,042.80x = 638,221,294,913.54
  5. Step 5: Solve for x
    x = 638,221,294,913.54/791,042.80
  6. Step 6: Final answer
    x = 806,810.07

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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.