Home / 1,277,453.92-1,915,409.07-509,069.81

Finding the Fourth Proportional to 1,277,453.92, 1,915,409.07 and 509,069.81

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Solution

The fourth proportional to 1,277,453.92, 1,915,409.07 and 509,069.81 is: 763,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,453.92 : 1,915,409.07 = 509,069.81 : x
  2. Step 2: Convert to fraction form
    1,277,453.92/1,915,409.07 = 509,069.81/x
  3. Step 3: Cross multiply
    1,277,453.92x = 1,915,409.07 × 509,069.81
  4. Step 4: Simplify right side
    1,277,453.92x = 975,076,931,337.18
  5. Step 5: Solve for x
    x = 975,076,931,337.18/1,277,453.92
  6. Step 6: Final answer
    x = 763,297.15

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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.