Home / 692,089.65-954,903.33-405,455.76

Finding the Fourth Proportional to 692,089.65, 954,903.33 and 405,455.76

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Solution

The fourth proportional to 692,089.65, 954,903.33 and 405,455.76 is: 559,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,089.65 : 954,903.33 = 405,455.76 : x
  2. Step 2: Convert to fraction form
    692,089.65/954,903.33 = 405,455.76/x
  3. Step 3: Cross multiply
    692,089.65x = 954,903.33 × 405,455.76
  4. Step 4: Simplify right side
    692,089.65x = 387,171,055,391.68
  5. Step 5: Solve for x
    x = 387,171,055,391.68/692,089.65
  6. Step 6: Final answer
    x = 559,423.27

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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.