Home / 1,515,636-2,091,577.86-836,572.68

Finding the Fourth Proportional to 1,515,636, 2,091,577.86 and 836,572.68

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Solution

The fourth proportional to 1,515,636, 2,091,577.86 and 836,572.68 is: 1,154,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,636 : 2,091,577.86 = 836,572.68 : x
  2. Step 2: Convert to fraction form
    1,515,636/2,091,577.86 = 836,572.68/x
  3. Step 3: Cross multiply
    1,515,636x = 2,091,577.86 × 836,572.68
  4. Step 4: Simplify right side
    1,515,636x = 1,749,756,895,768.87
  5. Step 5: Solve for x
    x = 1,749,756,895,768.87/1,515,636
  6. Step 6: Final answer
    x = 1,154,470.40

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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.