Home / 788,566.50-1,088,222.73-425,990.34

Finding the Fourth Proportional to 788,566.50, 1,088,222.73 and 425,990.34

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Solution

The fourth proportional to 788,566.50, 1,088,222.73 and 425,990.34 is: 587,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,566.50 : 1,088,222.73 = 425,990.34 : x
  2. Step 2: Convert to fraction form
    788,566.50/1,088,222.73 = 425,990.34/x
  3. Step 3: Cross multiply
    788,566.50x = 1,088,222.73 × 425,990.34
  4. Step 4: Simplify right side
    788,566.50x = 463,572,370,748.43
  5. Step 5: Solve for x
    x = 463,572,370,748.43/788,566.50
  6. Step 6: Final answer
    x = 587,867.19

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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.