Home / 951,151.90-1,312,589.48-521,435.06

Finding the Fourth Proportional to 951,151.90, 1,312,589.48 and 521,435.06

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Solution

The fourth proportional to 951,151.90, 1,312,589.48 and 521,435.06 is: 719,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,151.90 : 1,312,589.48 = 521,435.06 : x
  2. Step 2: Convert to fraction form
    951,151.90/1,312,589.48 = 521,435.06/x
  3. Step 3: Cross multiply
    951,151.90x = 1,312,589.48 × 521,435.06
  4. Step 4: Simplify right side
    951,151.90x = 684,430,174,259.17
  5. Step 5: Solve for x
    x = 684,430,174,259.17/951,151.90
  6. Step 6: Final answer
    x = 719,580.30

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1.5x scale

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.