Home / 1,332,577.84-1,838,951.96-720,731.32

Finding the Fourth Proportional to 1,332,577.84, 1,838,951.96 and 720,731.32

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Solution

The fourth proportional to 1,332,577.84, 1,838,951.96 and 720,731.32 is: 994,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,577.84 : 1,838,951.96 = 720,731.32 : x
  2. Step 2: Convert to fraction form
    1,332,577.84/1,838,951.96 = 720,731.32/x
  3. Step 3: Cross multiply
    1,332,577.84x = 1,838,951.96 × 720,731.32
  4. Step 4: Simplify right side
    1,332,577.84x = 1,325,390,273,547.39
  5. Step 5: Solve for x
    x = 1,325,390,273,547.39/1,332,577.84
  6. Step 6: Final answer
    x = 994,606.27

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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.