Home / 533,707.93-736,522.37-291,985.21

Finding the Fourth Proportional to 533,707.93, 736,522.37 and 291,985.21

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Solution

The fourth proportional to 533,707.93, 736,522.37 and 291,985.21 is: 402,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,707.93 : 736,522.37 = 291,985.21 : x
  2. Step 2: Convert to fraction form
    533,707.93/736,522.37 = 291,985.21/x
  3. Step 3: Cross multiply
    533,707.93x = 736,522.37 × 291,985.21
  4. Step 4: Simplify right side
    533,707.93x = 215,053,638,874.15
  5. Step 5: Solve for x
    x = 215,053,638,874.15/533,707.93
  6. Step 6: Final answer
    x = 402,942.56

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Double scale
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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.