Home / 736,009.40-1,104,014.10-399,211.40

Finding the Fourth Proportional to 736,009.40, 1,104,014.10 and 399,211.40

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Solution

The fourth proportional to 736,009.40, 1,104,014.10 and 399,211.40 is: 598,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,009.40 : 1,104,014.10 = 399,211.40 : x
  2. Step 2: Convert to fraction form
    736,009.40/1,104,014.10 = 399,211.40/x
  3. Step 3: Cross multiply
    736,009.40x = 1,104,014.10 × 399,211.40
  4. Step 4: Simplify right side
    736,009.40x = 440,735,014,480.74
  5. Step 5: Solve for x
    x = 440,735,014,480.74/736,009.40
  6. Step 6: Final answer
    x = 598,817.10

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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.