Home / 421,693.93-581,944.18-230,710.51

Finding the Fourth Proportional to 421,693.93, 581,944.18 and 230,710.51

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Solution

The fourth proportional to 421,693.93, 581,944.18 and 230,710.51 is: 318,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,693.93 : 581,944.18 = 230,710.51 : x
  2. Step 2: Convert to fraction form
    421,693.93/581,944.18 = 230,710.51/x
  3. Step 3: Cross multiply
    421,693.93x = 581,944.18 × 230,710.51
  4. Step 4: Simplify right side
    421,693.93x = 134,260,635,649.61
  5. Step 5: Solve for x
    x = 134,260,635,649.61/421,693.93
  6. Step 6: Final answer
    x = 318,384.09

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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.