Home / 784,585.71-1,176,878.56-223,605.63

Finding the Fourth Proportional to 784,585.71, 1,176,878.56 and 223,605.63

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Solution

The fourth proportional to 784,585.71, 1,176,878.56 and 223,605.63 is: 335,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,585.71 : 1,176,878.56 = 223,605.63 : x
  2. Step 2: Convert to fraction form
    784,585.71/1,176,878.56 = 223,605.63/x
  3. Step 3: Cross multiply
    784,585.71x = 1,176,878.56 × 223,605.63
  4. Step 4: Simplify right side
    784,585.71x = 263,156,671,842.29
  5. Step 5: Solve for x
    x = 263,156,671,842.29/784,585.71
  6. Step 6: Final answer
    x = 335,408.44

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Half scale
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Double scale
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Similar ratio
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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.