Home / 402,601.22-555,590.85-230,521.81

Finding the Fourth Proportional to 402,601.22, 555,590.85 and 230,521.81

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Solution

The fourth proportional to 402,601.22, 555,590.85 and 230,521.81 is: 318,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,601.22 : 555,590.85 = 230,521.81 : x
  2. Step 2: Convert to fraction form
    402,601.22/555,590.85 = 230,521.81/x
  3. Step 3: Cross multiply
    402,601.22x = 555,590.85 × 230,521.81
  4. Step 4: Simplify right side
    402,601.22x = 128,075,806,972.46
  5. Step 5: Solve for x
    x = 128,075,806,972.46/402,601.22
  6. Step 6: Final answer
    x = 318,120.76

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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.