Home / 917,165.52-1,265,670.66-509,246.28

Finding the Fourth Proportional to 917,165.52, 1,265,670.66 and 509,246.28

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Solution

The fourth proportional to 917,165.52, 1,265,670.66 and 509,246.28 is: 702,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,165.52 : 1,265,670.66 = 509,246.28 : x
  2. Step 2: Convert to fraction form
    917,165.52/1,265,670.66 = 509,246.28/x
  3. Step 3: Cross multiply
    917,165.52x = 1,265,670.66 × 509,246.28
  4. Step 4: Simplify right side
    917,165.52x = 644,538,075,310.15
  5. Step 5: Solve for x
    x = 644,538,075,310.15/917,165.52
  6. Step 6: Final answer
    x = 702,750.01

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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.