Home / 736,014.70-1,015,705.89-409,332.30

Finding the Fourth Proportional to 736,014.70, 1,015,705.89 and 409,332.30

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Solution

The fourth proportional to 736,014.70, 1,015,705.89 and 409,332.30 is: 564,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,014.70 : 1,015,705.89 = 409,332.30 : x
  2. Step 2: Convert to fraction form
    736,014.70/1,015,705.89 = 409,332.30/x
  3. Step 3: Cross multiply
    736,014.70x = 1,015,705.89 × 409,332.30
  4. Step 4: Simplify right side
    736,014.70x = 415,761,228,077.25
  5. Step 5: Solve for x
    x = 415,761,228,077.25/736,014.70
  6. Step 6: Final answer
    x = 564,881.69

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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.