Home / 497,924.24-687,132.30-283,064.30

Finding the Fourth Proportional to 497,924.24, 687,132.30 and 283,064.30

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Solution

The fourth proportional to 497,924.24, 687,132.30 and 283,064.30 is: 390,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,924.24 : 687,132.30 = 283,064.30 : x
  2. Step 2: Convert to fraction form
    497,924.24/687,132.30 = 283,064.30/x
  3. Step 3: Cross multiply
    497,924.24x = 687,132.30 × 283,064.30
  4. Step 4: Simplify right side
    497,924.24x = 194,502,623,506.89
  5. Step 5: Solve for x
    x = 194,502,623,506.89/497,924.24
  6. Step 6: Final answer
    x = 390,626.94

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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.