Home / 383,291.15-525,110.75-368,925.52

Finding the Fourth Proportional to 383,291.15, 525,110.75 and 368,925.52

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Solution

The fourth proportional to 383,291.15, 525,110.75 and 368,925.52 is: 505,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,291.15 : 525,110.75 = 368,925.52 : x
  2. Step 2: Convert to fraction form
    383,291.15/525,110.75 = 368,925.52/x
  3. Step 3: Cross multiply
    383,291.15x = 525,110.75 × 368,925.52
  4. Step 4: Simplify right side
    383,291.15x = 193,726,756,501.34
  5. Step 5: Solve for x
    x = 193,726,756,501.34/383,291.15
  6. Step 6: Final answer
    x = 505,429.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.