Home / 523,965.16-723,074.34-297,623.08

Finding the Fourth Proportional to 523,965.16, 723,074.34 and 297,623.08

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Solution

The fourth proportional to 523,965.16, 723,074.34 and 297,623.08 is: 410,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,965.16 : 723,074.34 = 297,623.08 : x
  2. Step 2: Convert to fraction form
    523,965.16/723,074.34 = 297,623.08/x
  3. Step 3: Cross multiply
    523,965.16x = 723,074.34 × 297,623.08
  4. Step 4: Simplify right side
    523,965.16x = 215,203,612,139.77
  5. Step 5: Solve for x
    x = 215,203,612,139.77/523,965.16
  6. Step 6: Final answer
    x = 410,721.22

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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.