Home / 579,153.13-867,769.57-409,834.51

Finding the Fourth Proportional to 579,153.13, 867,769.57 and 409,834.51

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Solution

The fourth proportional to 579,153.13, 867,769.57 and 409,834.51 is: 614,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,153.13 : 867,769.57 = 409,834.51 : x
  2. Step 2: Convert to fraction form
    579,153.13/867,769.57 = 409,834.51/x
  3. Step 3: Cross multiply
    579,153.13x = 867,769.57 × 409,834.51
  4. Step 4: Simplify right side
    579,153.13x = 355,641,916,513.86
  5. Step 5: Solve for x
    x = 355,641,916,513.86/579,153.13
  6. Step 6: Final answer
    x = 614,072.34

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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.