Home / 626,623.29-940,137.01-289,884.51

Finding the Fourth Proportional to 626,623.29, 940,137.01 and 289,884.51

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Solution

The fourth proportional to 626,623.29, 940,137.01 and 289,884.51 is: 434,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,623.29 : 940,137.01 = 289,884.51 : x
  2. Step 2: Convert to fraction form
    626,623.29/940,137.01 = 289,884.51/x
  3. Step 3: Cross multiply
    626,623.29x = 940,137.01 × 289,884.51
  4. Step 4: Simplify right side
    626,623.29x = 272,531,155,752.00
  5. Step 5: Solve for x
    x = 272,531,155,752.00/626,623.29
  6. Step 6: Final answer
    x = 434,920.25

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1.5x scale

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.