Home / 782,506.78-1,173,928.65-242,752.12

Finding the Fourth Proportional to 782,506.78, 1,173,928.65 and 242,752.12

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Solution

The fourth proportional to 782,506.78, 1,173,928.65 and 242,752.12 is: 364,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,506.78 : 1,173,928.65 = 242,752.12 : x
  2. Step 2: Convert to fraction form
    782,506.78/1,173,928.65 = 242,752.12/x
  3. Step 3: Cross multiply
    782,506.78x = 1,173,928.65 × 242,752.12
  4. Step 4: Simplify right side
    782,506.78x = 284,973,668,516.24
  5. Step 5: Solve for x
    x = 284,973,668,516.24/782,506.78
  6. Step 6: Final answer
    x = 364,180.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.