Home / 914,840.28-1,262,443.32-506,959.38

Finding the Fourth Proportional to 914,840.28, 1,262,443.32 and 506,959.38

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Solution

The fourth proportional to 914,840.28, 1,262,443.32 and 506,959.38 is: 699,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,840.28 : 1,262,443.32 = 506,959.38 : x
  2. Step 2: Convert to fraction form
    914,840.28/1,262,443.32 = 506,959.38/x
  3. Step 3: Cross multiply
    914,840.28x = 1,262,443.32 × 506,959.38
  4. Step 4: Simplify right side
    914,840.28x = 640,007,482,792.34
  5. Step 5: Solve for x
    x = 640,007,482,792.34/914,840.28
  6. Step 6: Final answer
    x = 699,583.85

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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.