Home / 917,240.46-1,265,749.24-509,368.14

Finding the Fourth Proportional to 917,240.46, 1,265,749.24 and 509,368.14

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Solution

The fourth proportional to 917,240.46, 1,265,749.24 and 509,368.14 is: 702,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,240.46 : 1,265,749.24 = 509,368.14 : x
  2. Step 2: Convert to fraction form
    917,240.46/1,265,749.24 = 509,368.14/x
  3. Step 3: Cross multiply
    917,240.46x = 1,265,749.24 × 509,368.14
  4. Step 4: Simplify right side
    917,240.46x = 644,732,336,085.21
  5. Step 5: Solve for x
    x = 644,732,336,085.21/917,240.46
  6. Step 6: Final answer
    x = 702,904.38

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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.