Home / 942,806.52-1,300,845.42-555,637.86

Finding the Fourth Proportional to 942,806.52, 1,300,845.42 and 555,637.86

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Solution

The fourth proportional to 942,806.52, 1,300,845.42 and 555,637.86 is: 766,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,806.52 : 1,300,845.42 = 555,637.86 : x
  2. Step 2: Convert to fraction form
    942,806.52/1,300,845.42 = 555,637.86/x
  3. Step 3: Cross multiply
    942,806.52x = 1,300,845.42 × 555,637.86
  4. Step 4: Simplify right side
    942,806.52x = 722,798,965,359.60
  5. Step 5: Solve for x
    x = 722,798,965,359.60/942,806.52
  6. Step 6: Final answer
    x = 766,646.13

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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.