Home / 909,153.60-1,363,730.40-403,713.60

Finding the Fourth Proportional to 909,153.60, 1,363,730.40 and 403,713.60

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Solution

The fourth proportional to 909,153.60, 1,363,730.40 and 403,713.60 is: 605,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,153.60 : 1,363,730.40 = 403,713.60 : x
  2. Step 2: Convert to fraction form
    909,153.60/1,363,730.40 = 403,713.60/x
  3. Step 3: Cross multiply
    909,153.60x = 1,363,730.40 × 403,713.60
  4. Step 4: Simplify right side
    909,153.60x = 550,556,509,213.44
  5. Step 5: Solve for x
    x = 550,556,509,213.44/909,153.60
  6. Step 6: Final answer
    x = 605,570.40

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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.