Home / 749,638.13-1,034,515.60-410,113.67

Finding the Fourth Proportional to 749,638.13, 1,034,515.60 and 410,113.67

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Solution

The fourth proportional to 749,638.13, 1,034,515.60 and 410,113.67 is: 565,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,638.13 : 1,034,515.60 = 410,113.67 : x
  2. Step 2: Convert to fraction form
    749,638.13/1,034,515.60 = 410,113.67/x
  3. Step 3: Cross multiply
    749,638.13x = 1,034,515.60 × 410,113.67
  4. Step 4: Simplify right side
    749,638.13x = 424,268,983,190.39
  5. Step 5: Solve for x
    x = 424,268,983,190.39/749,638.13
  6. Step 6: Final answer
    x = 565,965.06

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.