Home / 797,042.81-1,190,484.49-721,024.40

Finding the Fourth Proportional to 797,042.81, 1,190,484.49 and 721,024.40

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Solution

The fourth proportional to 797,042.81, 1,190,484.49 and 721,024.40 is: 1,076,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,042.81 : 1,190,484.49 = 721,024.40 : x
  2. Step 2: Convert to fraction form
    797,042.81/1,190,484.49 = 721,024.40/x
  3. Step 3: Cross multiply
    797,042.81x = 1,190,484.49 × 721,024.40
  4. Step 4: Simplify right side
    797,042.81x = 858,368,359,159.13
  5. Step 5: Solve for x
    x = 858,368,359,159.13/797,042.81
  6. Step 6: Final answer
    x = 1,076,941.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.