Home / 497,320.75-686,302.64-270,966.25

Finding the Fourth Proportional to 497,320.75, 686,302.64 and 270,966.25

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Solution

The fourth proportional to 497,320.75, 686,302.64 and 270,966.25 is: 373,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,320.75 : 686,302.64 = 270,966.25 : x
  2. Step 2: Convert to fraction form
    497,320.75/686,302.64 = 270,966.25/x
  3. Step 3: Cross multiply
    497,320.75x = 686,302.64 × 270,966.25
  4. Step 4: Simplify right side
    497,320.75x = 185,964,852,725.90
  5. Step 5: Solve for x
    x = 185,964,852,725.90/497,320.75
  6. Step 6: Final answer
    x = 373,933.43

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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.