Home / 1,115,610.78-1,539,534.39-606,316.80

Finding the Fourth Proportional to 1,115,610.78, 1,539,534.39 and 606,316.80

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Solution

The fourth proportional to 1,115,610.78, 1,539,534.39 and 606,316.80 is: 836,712.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,610.78 : 1,539,534.39 = 606,316.80 : x
  2. Step 2: Convert to fraction form
    1,115,610.78/1,539,534.39 = 606,316.80/x
  3. Step 3: Cross multiply
    1,115,610.78x = 1,539,534.39 × 606,316.80
  4. Step 4: Simplify right side
    1,115,610.78x = 933,445,564,834.75
  5. Step 5: Solve for x
    x = 933,445,564,834.75/1,115,610.78
  6. Step 6: Final answer
    x = 836,712.57

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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.