Home / 317,811.49-438,582.47-174,574.73

Finding the Fourth Proportional to 317,811.49, 438,582.47 and 174,574.73

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Solution

The fourth proportional to 317,811.49, 438,582.47 and 174,574.73 is: 240,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,811.49 : 438,582.47 = 174,574.73 : x
  2. Step 2: Convert to fraction form
    317,811.49/438,582.47 = 174,574.73/x
  3. Step 3: Cross multiply
    317,811.49x = 438,582.47 × 174,574.73
  4. Step 4: Simplify right side
    317,811.49x = 76,565,416,506.57
  5. Step 5: Solve for x
    x = 76,565,416,506.57/317,811.49
  6. Step 6: Final answer
    x = 240,914.57

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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.