Home / 588,085.16-811,433.79-384,434.46

Finding the Fourth Proportional to 588,085.16, 811,433.79 and 384,434.46

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Solution

The fourth proportional to 588,085.16, 811,433.79 and 384,434.46 is: 530,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,085.16 : 811,433.79 = 384,434.46 : x
  2. Step 2: Convert to fraction form
    588,085.16/811,433.79 = 384,434.46/x
  3. Step 3: Cross multiply
    588,085.16x = 811,433.79 × 384,434.46
  4. Step 4: Simplify right side
    588,085.16x = 311,943,110,884.40
  5. Step 5: Solve for x
    x = 311,943,110,884.40/588,085.16
  6. Step 6: Final answer
    x = 530,438.68

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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.