Home / 1,317,150.34-1,817,751.45-807,783.46

Finding the Fourth Proportional to 1,317,150.34, 1,817,751.45 and 807,783.46

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Solution

The fourth proportional to 1,317,150.34, 1,817,751.45 and 807,783.46 is: 1,114,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,150.34 : 1,817,751.45 = 807,783.46 : x
  2. Step 2: Convert to fraction form
    1,317,150.34/1,817,751.45 = 807,783.46/x
  3. Step 3: Cross multiply
    1,317,150.34x = 1,817,751.45 × 807,783.46
  4. Step 4: Simplify right side
    1,317,150.34x = 1,468,349,555,701.02
  5. Step 5: Solve for x
    x = 1,468,349,555,701.02/1,317,150.34
  6. Step 6: Final answer
    x = 1,114,792.68

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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.