Home / 591,915.17-816,884.63-333,815.21

Finding the Fourth Proportional to 591,915.17, 816,884.63 and 333,815.21

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Solution

The fourth proportional to 591,915.17, 816,884.63 and 333,815.21 is: 460,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,915.17 : 816,884.63 = 333,815.21 : x
  2. Step 2: Convert to fraction form
    591,915.17/816,884.63 = 333,815.21/x
  3. Step 3: Cross multiply
    591,915.17x = 816,884.63 × 333,815.21
  4. Step 4: Simplify right side
    591,915.17x = 272,688,514,309.22
  5. Step 5: Solve for x
    x = 272,688,514,309.22/591,915.17
  6. Step 6: Final answer
    x = 460,688.50

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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.