Home / 1,291,579.43-1,937,370.77-617,502.29

Finding the Fourth Proportional to 1,291,579.43, 1,937,370.77 and 617,502.29

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Solution

The fourth proportional to 1,291,579.43, 1,937,370.77 and 617,502.29 is: 926,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,579.43 : 1,937,370.77 = 617,502.29 : x
  2. Step 2: Convert to fraction form
    1,291,579.43/1,937,370.77 = 617,502.29/x
  3. Step 3: Cross multiply
    1,291,579.43x = 1,937,370.77 × 617,502.29
  4. Step 4: Simplify right side
    1,291,579.43x = 1,196,330,883,966.55
  5. Step 5: Solve for x
    x = 1,196,330,883,966.55/1,291,579.43
  6. Step 6: Final answer
    x = 926,254.21

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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.