Home / 1,277,452.92-1,915,407.57-509,068.81

Finding the Fourth Proportional to 1,277,452.92, 1,915,407.57 and 509,068.81

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Solution

The fourth proportional to 1,277,452.92, 1,915,407.57 and 509,068.81 is: 763,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,452.92 : 1,915,407.57 = 509,068.81 : x
  2. Step 2: Convert to fraction form
    1,277,452.92/1,915,407.57 = 509,068.81/x
  3. Step 3: Cross multiply
    1,277,452.92x = 1,915,407.57 × 509,068.81
  4. Step 4: Simplify right side
    1,277,452.92x = 975,074,256,628.16
  5. Step 5: Solve for x
    x = 975,074,256,628.16/1,277,452.92
  6. Step 6: Final answer
    x = 763,295.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.