Home / 909,117.60-1,363,676.40-403,677.60

Finding the Fourth Proportional to 909,117.60, 1,363,676.40 and 403,677.60

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Solution

The fourth proportional to 909,117.60, 1,363,676.40 and 403,677.60 is: 605,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,117.60 : 1,363,676.40 = 403,677.60 : x
  2. Step 2: Convert to fraction form
    909,117.60/1,363,676.40 = 403,677.60/x
  3. Step 3: Cross multiply
    909,117.60x = 1,363,676.40 × 403,677.60
  4. Step 4: Simplify right side
    909,117.60x = 550,485,616,328.64
  5. Step 5: Solve for x
    x = 550,485,616,328.64/909,117.60
  6. Step 6: Final answer
    x = 605,516.40

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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.