Home / 951,213.60-1,312,674.36-521,484.48

Finding the Fourth Proportional to 951,213.60, 1,312,674.36 and 521,484.48

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Solution

The fourth proportional to 951,213.60, 1,312,674.36 and 521,484.48 is: 719,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,213.60 : 1,312,674.36 = 521,484.48 : x
  2. Step 2: Convert to fraction form
    951,213.60/1,312,674.36 = 521,484.48/x
  3. Step 3: Cross multiply
    951,213.60x = 1,312,674.36 × 521,484.48
  4. Step 4: Simplify right side
    951,213.60x = 684,539,306,033.93
  5. Step 5: Solve for x
    x = 684,539,306,033.93/951,213.60
  6. Step 6: Final answer
    x = 719,648.36

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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.