Home / 674,625.47-930,981.58-384,236.98

Finding the Fourth Proportional to 674,625.47, 930,981.58 and 384,236.98

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Solution

The fourth proportional to 674,625.47, 930,981.58 and 384,236.98 is: 530,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,625.47 : 930,981.58 = 384,236.98 : x
  2. Step 2: Convert to fraction form
    674,625.47/930,981.58 = 384,236.98/x
  3. Step 3: Cross multiply
    674,625.47x = 930,981.58 × 384,236.98
  4. Step 4: Simplify right side
    674,625.47x = 357,717,546,079.92
  5. Step 5: Solve for x
    x = 357,717,546,079.92/674,625.47
  6. Step 6: Final answer
    x = 530,246.13

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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.