Home / 991,650.60-1,368,726.66-562,186.98

Finding the Fourth Proportional to 991,650.60, 1,368,726.66 and 562,186.98

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Solution

The fourth proportional to 991,650.60, 1,368,726.66 and 562,186.98 is: 775,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,650.60 : 1,368,726.66 = 562,186.98 : x
  2. Step 2: Convert to fraction form
    991,650.60/1,368,726.66 = 562,186.98/x
  3. Step 3: Cross multiply
    991,650.60x = 1,368,726.66 × 562,186.98
  4. Step 4: Simplify right side
    991,650.60x = 769,480,307,430.89
  5. Step 5: Solve for x
    x = 769,480,307,430.89/991,650.60
  6. Step 6: Final answer
    x = 775,959.10

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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.