Home / 619,623.12-929,434.56-176,391.12

Finding the Fourth Proportional to 619,623.12, 929,434.56 and 176,391.12

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Solution

The fourth proportional to 619,623.12, 929,434.56 and 176,391.12 is: 264,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,623.12 : 929,434.56 = 176,391.12 : x
  2. Step 2: Convert to fraction form
    619,623.12/929,434.56 = 176,391.12/x
  3. Step 3: Cross multiply
    619,623.12x = 929,434.56 × 176,391.12
  4. Step 4: Simplify right side
    619,623.12x = 163,944,003,005.11
  5. Step 5: Solve for x
    x = 163,944,003,005.11/619,623.12
  6. Step 6: Final answer
    x = 264,586.65

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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.