Home / 1,291,588.92-1,937,538.90-427,053.24

Finding the Fourth Proportional to 1,291,588.92, 1,937,538.90 and 427,053.24

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Solution

The fourth proportional to 1,291,588.92, 1,937,538.90 and 427,053.24 is: 640,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,588.92 : 1,937,538.90 = 427,053.24 : x
  2. Step 2: Convert to fraction form
    1,291,588.92/1,937,538.90 = 427,053.24/x
  3. Step 3: Cross multiply
    1,291,588.92x = 1,937,538.90 × 427,053.24
  4. Step 4: Simplify right side
    1,291,588.92x = 827,432,264,871.04
  5. Step 5: Solve for x
    x = 827,432,264,871.04/1,291,588.92
  6. Step 6: Final answer
    x = 640,631.28

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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.