Home / 593,828.69-818,384.60-421,754.18

Finding the Fourth Proportional to 593,828.69, 818,384.60 and 421,754.18

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Solution

The fourth proportional to 593,828.69, 818,384.60 and 421,754.18 is: 581,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,828.69 : 818,384.60 = 421,754.18 : x
  2. Step 2: Convert to fraction form
    593,828.69/818,384.60 = 421,754.18/x
  3. Step 3: Cross multiply
    593,828.69x = 818,384.60 × 421,754.18
  4. Step 4: Simplify right side
    593,828.69x = 345,157,123,788.86
  5. Step 5: Solve for x
    x = 345,157,123,788.86/593,828.69
  6. Step 6: Final answer
    x = 581,240.23

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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.