Home / 679,325.67-935,849.16-474,994.26

Finding the Fourth Proportional to 679,325.67, 935,849.16 and 474,994.26

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Solution

The fourth proportional to 679,325.67, 935,849.16 and 474,994.26 is: 654,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,325.67 : 935,849.16 = 474,994.26 : x
  2. Step 2: Convert to fraction form
    679,325.67/935,849.16 = 474,994.26/x
  3. Step 3: Cross multiply
    679,325.67x = 935,849.16 × 474,994.26
  4. Step 4: Simplify right side
    679,325.67x = 444,522,979,225.82
  5. Step 5: Solve for x
    x = 444,522,979,225.82/679,325.67
  6. Step 6: Final answer
    x = 654,359.17

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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.