Home / 992,420.16-1,369,510.56-562,739.52

Finding the Fourth Proportional to 992,420.16, 1,369,510.56 and 562,739.52

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Solution

The fourth proportional to 992,420.16, 1,369,510.56 and 562,739.52 is: 776,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,420.16 : 1,369,510.56 = 562,739.52 : x
  2. Step 2: Convert to fraction form
    992,420.16/1,369,510.56 = 562,739.52/x
  3. Step 3: Cross multiply
    992,420.16x = 1,369,510.56 × 562,739.52
  4. Step 4: Simplify right side
    992,420.16x = 770,677,715,169.33
  5. Step 5: Solve for x
    x = 770,677,715,169.33/992,420.16
  6. Step 6: Final answer
    x = 776,563.95

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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.