Home / 788,518.48-1,088,154.84-425,942.22

Finding the Fourth Proportional to 788,518.48, 1,088,154.84 and 425,942.22

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Solution

The fourth proportional to 788,518.48, 1,088,154.84 and 425,942.22 is: 587,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,518.48 : 1,088,154.84 = 425,942.22 : x
  2. Step 2: Convert to fraction form
    788,518.48/1,088,154.84 = 425,942.22/x
  3. Step 3: Cross multiply
    788,518.48x = 1,088,154.84 × 425,942.22
  4. Step 4: Simplify right side
    788,518.48x = 463,491,088,253.35
  5. Step 5: Solve for x
    x = 463,491,088,253.35/788,518.48
  6. Step 6: Final answer
    x = 587,799.91

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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.