Home / 1,271,170.50-1,754,216.91-698,221.86

Finding the Fourth Proportional to 1,271,170.50, 1,754,216.91 and 698,221.86

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Solution

The fourth proportional to 1,271,170.50, 1,754,216.91 and 698,221.86 is: 963,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,170.50 : 1,754,216.91 = 698,221.86 : x
  2. Step 2: Convert to fraction form
    1,271,170.50/1,754,216.91 = 698,221.86/x
  3. Step 3: Cross multiply
    1,271,170.50x = 1,754,216.91 × 698,221.86
  4. Step 4: Simplify right side
    1,271,170.50x = 1,224,832,593,743.65
  5. Step 5: Solve for x
    x = 1,224,832,593,743.65/1,271,170.50
  6. Step 6: Final answer
    x = 963,547.06

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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.