Home / 850,810.86-1,174,126.86-468,851.31

Finding the Fourth Proportional to 850,810.86, 1,174,126.86 and 468,851.31

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Solution

The fourth proportional to 850,810.86, 1,174,126.86 and 468,851.31 is: 647,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,810.86 : 1,174,126.86 = 468,851.31 : x
  2. Step 2: Convert to fraction form
    850,810.86/1,174,126.86 = 468,851.31/x
  3. Step 3: Cross multiply
    850,810.86x = 1,174,126.86 × 468,851.31
  4. Step 4: Simplify right side
    850,810.86x = 550,490,916,417.19
  5. Step 5: Solve for x
    x = 550,490,916,417.19/850,810.86
  6. Step 6: Final answer
    x = 647,019.15

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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.