Home / 579,154.13-867,771.07-409,835.51

Finding the Fourth Proportional to 579,154.13, 867,771.07 and 409,835.51

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Solution

The fourth proportional to 579,154.13, 867,771.07 and 409,835.51 is: 614,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,154.13 : 867,771.07 = 409,835.51 : x
  2. Step 2: Convert to fraction form
    579,154.13/867,771.07 = 409,835.51/x
  3. Step 3: Cross multiply
    579,154.13x = 867,771.07 × 409,835.51
  4. Step 4: Simplify right side
    579,154.13x = 355,643,399,036.70
  5. Step 5: Solve for x
    x = 355,643,399,036.70/579,154.13
  6. Step 6: Final answer
    x = 614,073.84

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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.