Home / 611,801.24-844,386.83-509,664.92

Finding the Fourth Proportional to 611,801.24, 844,386.83 and 509,664.92

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Solution

The fourth proportional to 611,801.24, 844,386.83 and 509,664.92 is: 703,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,801.24 : 844,386.83 = 509,664.92 : x
  2. Step 2: Convert to fraction form
    611,801.24/844,386.83 = 509,664.92/x
  3. Step 3: Cross multiply
    611,801.24x = 844,386.83 × 509,664.92
  4. Step 4: Simplify right side
    611,801.24x = 430,354,339,390.75
  5. Step 5: Solve for x
    x = 430,354,339,390.75/611,801.24
  6. Step 6: Final answer
    x = 703,421.82

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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.