Home / 1,234,627.20-1,703,776.32-698,102.40

Finding the Fourth Proportional to 1,234,627.20, 1,703,776.32 and 698,102.40

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Solution

The fourth proportional to 1,234,627.20, 1,703,776.32 and 698,102.40 is: 963,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,627.20 : 1,703,776.32 = 698,102.40 : x
  2. Step 2: Convert to fraction form
    1,234,627.20/1,703,776.32 = 698,102.40/x
  3. Step 3: Cross multiply
    1,234,627.20x = 1,703,776.32 × 698,102.40
  4. Step 4: Simplify right side
    1,234,627.20x = 1,189,410,338,055.17
  5. Step 5: Solve for x
    x = 1,189,410,338,055.17/1,234,627.20
  6. Step 6: Final answer
    x = 963,376.10

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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.