Home / 693,442.93-956,948.44-387,519.23

Finding the Fourth Proportional to 693,442.93, 956,948.44 and 387,519.23

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Solution

The fourth proportional to 693,442.93, 956,948.44 and 387,519.23 is: 534,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,442.93 : 956,948.44 = 387,519.23 : x
  2. Step 2: Convert to fraction form
    693,442.93/956,948.44 = 387,519.23/x
  3. Step 3: Cross multiply
    693,442.93x = 956,948.44 × 387,519.23
  4. Step 4: Simplify right side
    693,442.93x = 370,835,922,618.50
  5. Step 5: Solve for x
    x = 370,835,922,618.50/693,442.93
  6. Step 6: Final answer
    x = 534,774.97

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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.