Home / 693,148.43-957,860.10-500,189.42

Finding the Fourth Proportional to 693,148.43, 957,860.10 and 500,189.42

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Solution

The fourth proportional to 693,148.43, 957,860.10 and 500,189.42 is: 691,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,148.43 : 957,860.10 = 500,189.42 : x
  2. Step 2: Convert to fraction form
    693,148.43/957,860.10 = 500,189.42/x
  3. Step 3: Cross multiply
    693,148.43x = 957,860.10 × 500,189.42
  4. Step 4: Simplify right side
    693,148.43x = 479,111,487,860.14
  5. Step 5: Solve for x
    x = 479,111,487,860.14/693,148.43
  6. Step 6: Final answer
    x = 691,210.52

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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.