Home / 743,558.40-1,115,337.60-535,161.60

Finding the Fourth Proportional to 743,558.40, 1,115,337.60 and 535,161.60

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Solution

The fourth proportional to 743,558.40, 1,115,337.60 and 535,161.60 is: 802,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,558.40 : 1,115,337.60 = 535,161.60 : x
  2. Step 2: Convert to fraction form
    743,558.40/1,115,337.60 = 535,161.60/x
  3. Step 3: Cross multiply
    743,558.40x = 1,115,337.60 × 535,161.60
  4. Step 4: Simplify right side
    743,558.40x = 596,885,854,556.16
  5. Step 5: Solve for x
    x = 596,885,854,556.16/743,558.40
  6. Step 6: Final answer
    x = 802,742.40

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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.