Home / 497,219.23-686,130.24-293,223.40

Finding the Fourth Proportional to 497,219.23, 686,130.24 and 293,223.40

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Solution

The fourth proportional to 497,219.23, 686,130.24 and 293,223.40 is: 404,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,219.23 : 686,130.24 = 293,223.40 : x
  2. Step 2: Convert to fraction form
    497,219.23/686,130.24 = 293,223.40/x
  3. Step 3: Cross multiply
    497,219.23x = 686,130.24 × 293,223.40
  4. Step 4: Simplify right side
    497,219.23x = 201,189,441,815.62
  5. Step 5: Solve for x
    x = 201,189,441,815.62/497,219.23
  6. Step 6: Final answer
    x = 404,629.25

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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.