Home / 1,205,594.72-1,663,714.86-661,739.76

Finding the Fourth Proportional to 1,205,594.72, 1,663,714.86 and 661,739.76

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Solution

The fourth proportional to 1,205,594.72, 1,663,714.86 and 661,739.76 is: 913,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,594.72 : 1,663,714.86 = 661,739.76 : x
  2. Step 2: Convert to fraction form
    1,205,594.72/1,663,714.86 = 661,739.76/x
  3. Step 3: Cross multiply
    1,205,594.72x = 1,663,714.86 × 661,739.76
  4. Step 4: Simplify right side
    1,205,594.72x = 1,100,946,272,164.83
  5. Step 5: Solve for x
    x = 1,100,946,272,164.83/1,205,594.72
  6. Step 6: Final answer
    x = 913,197.66

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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.