Home / 755,636.60-1,133,534.34-435,781.19

Finding the Fourth Proportional to 755,636.60, 1,133,534.34 and 435,781.19

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Solution

The fourth proportional to 755,636.60, 1,133,534.34 and 435,781.19 is: 653,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,636.60 : 1,133,534.34 = 435,781.19 : x
  2. Step 2: Convert to fraction form
    755,636.60/1,133,534.34 = 435,781.19/x
  3. Step 3: Cross multiply
    755,636.60x = 1,133,534.34 × 435,781.19
  4. Step 4: Simplify right side
    755,636.60x = 493,972,937,923.39
  5. Step 5: Solve for x
    x = 493,972,937,923.39/755,636.60
  6. Step 6: Final answer
    x = 653,717.60

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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.