Home / 736,904.20-1,105,205.10-204,291.40

Finding the Fourth Proportional to 736,904.20, 1,105,205.10 and 204,291.40

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Solution

The fourth proportional to 736,904.20, 1,105,205.10 and 204,291.40 is: 306,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,904.20 : 1,105,205.10 = 204,291.40 : x
  2. Step 2: Convert to fraction form
    736,904.20/1,105,205.10 = 204,291.40/x
  3. Step 3: Cross multiply
    736,904.20x = 1,105,205.10 × 204,291.40
  4. Step 4: Simplify right side
    736,904.20x = 225,783,897,166.14
  5. Step 5: Solve for x
    x = 225,783,897,166.14/736,904.20
  6. Step 6: Final answer
    x = 306,395.18

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Double scale
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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.