Home / 704,786.60-972,606.18-382,496.76

Finding the Fourth Proportional to 704,786.60, 972,606.18 and 382,496.76

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Solution

The fourth proportional to 704,786.60, 972,606.18 and 382,496.76 is: 527,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,786.60 : 972,606.18 = 382,496.76 : x
  2. Step 2: Convert to fraction form
    704,786.60/972,606.18 = 382,496.76/x
  3. Step 3: Cross multiply
    704,786.60x = 972,606.18 × 382,496.76
  4. Step 4: Simplify right side
    704,786.60x = 372,018,712,605.98
  5. Step 5: Solve for x
    x = 372,018,712,605.98/704,786.60
  6. Step 6: Final answer
    x = 527,845.89

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.